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75results about How to "Avoid duplicate collection" patented technology

Internet video-oriented distributed acquisition method and system

The invention discloses Internet video-oriented distributed acquisition method and system. The method comprises the following steps of: utilizing a preliminarily customized regular expression to match the uniform resource locators of each video webpage and identifying a webpage possibly containing video; downloading the webpage possibly containing viedeo in parallel from a video website; respectively analyzing the structure of the downloaded webpage possibly containing the video; identifying the chained address of the effective video webpage; merging and storing the analysis result of the webpage structure; acquiring a video chained address hidden in the effective video webpage according to the chained address of the effective video webpage, analyzing the video chained address to acquire the actual video chained address; and downloading and storing the video corresponding to the actual video chained address.
Owner:INST OF COMPUTING TECH CHINESE ACAD OF SCI

System and method for synchronizing comparison of data consistency

It includes display layer, data storage / procession layer (SP) and system interface layer (SI). SP includes data collect module (DL), data pre-processing module (DP), data comparison module (DM), data sync, module (DS) and assistant module. Via SI, the business backup and bearing nets (BBB) realize mutual comm. between net elements (NE). From BBB, DL collects NE data requiring keeping coincident. DP / DM pre-processes and compares these data. Non-coincident data are recorded in the error list. According to availability test rule, DS verifies availability of data difference, generates corresponding synchronization data against valid data difference base on sync. rule and sends to related NE to keep coincidence of data between NEs. This invention raises data comparison synchronization level, system running efficiency and resource utilization. It ensures accuracy and coincidence of system data. It extensively is applied in multi-NE cooperation fields, such as comm., insurance and banking.
Owner:CHINA MOBILE GROUP SICHUAN

Station terminal centralized control method and device based on intelligent telecontrol

The invention discloses a station terminal centralized control method and device based on intelligent telecontrol. The method comprises the steps of acquiring the transmission data of a measuring and controlling device, a protecting device, a fault recording device, an on-line monitoring device, a watt hour meter and a PMU of a station terminal according to a predetermined standard; converting the acquired transmission data into preset data models, storing the data models in entries of a transmission data table, and updating the entries according to acquiring time when the transmission data are acquired repeatedly; setting the transmission priorities of all the entries in the transmission data table according to different service classifications and instantaneity requirement classifications; sending the entries with high transmission priorities to a main dispatch station according to the sequence of the transmission priorities. According to the station terminal centralized control method and device based on the intelligent telecontrol, the barrier that interaction is unavailable between different data types is broken through, repeated acquisition of data is avoided, the most important data information can be acquired by the main dispatch station as soon as possible, and the intelligentization level of data mining of the station terminal is improved.
Owner:CHINA SOUTHERN POWER GRID COMPANY +1

Oil spillage tracking system based on vessel traffic management electronic information system

ActiveCN102592197AAvoid duplicate collectionPerfect information serviceResourcesAdvanced Traffic Management SystemMarine navigation
The invention discloses an oil spillage tracking system based on a vessel traffic management electronic information system. The oil spillage tracking system comprises a vessel traffic management electronic information system, an oil spillage monitoring and tracking system, an oil spillage information collecting module and an outside information terminal, wherein the vessel traffic management electronic information system is respectively connected with the oil spillage monitoring and tracking system and the outside information terminal; and the oil spillage monitoring and tracking system is connected with the outside information terminal by the oil spillage information collecting module. According to the invention, the vessel traffic management electronic information system and the oil spillage monitoring and tracking system are integrated with each other to realize information sharing and exchanging between the two systems; therefore, functions, such as information service, navigation service, traffic organization service, collaboration service and the like, of the vessel traffic management system are preferably completed. When an oil spillage accident occurs, the vessel traffic management information system can be used for implementing traffic control within a warning region so as to ensure the navigation safety; therefore, powerful information support and reliable guarantee are provided for strengthening law enforcement of marine pollution monitoring.
Owner:DALIAN MARITIME UNIVERSITY

Parking management system and method, vehicle information acquisition device, and management server

ActiveCN108986539ATo achieve the purpose of standardizing the management of parking chargesAvoid duplicate collectionTicket-issuing apparatusIndication of parksing free spacesParking areaParking space
The invention relates to a parking management system and method, a vehicle information acquisition device, and a parking management server. The parking management system comprises the vehicle information acquisition device provided with a traveling mechanism or arranged on a traveling vehicle and used for shooting a parking space image and obtaining license plate parking space information according to the parking space image; parking space detection devices arranged at parking spaces and used for obtaining parking space state change signals comprising vehicle reaching signals and vehicle leaving signals; and the parking management server communicating with the vehicle information acquisition device and the parking space detection devices and used for matching the license plate parking space information of the parking space image with the parking space state change signals, obtaining a vehicle reaching time and a vehicle leaving time of the corresponding vehicle of a license plate number, and calculating a vehicle parking duration. According to the parking management system and method, the vehicle information acquisition device, and the management server, accurate calculation of theparking duration can be realized, and the goal of standard management of parking and charging can be achieved.
Owner:北京一通智能科技有限公司

System and method for constructing traffic simulation road network data

The invention relates to a system and method for constructing traffic simulation road network data, belonging to the technical field of traffic simulation. The system and method for constructing traffic simulation road network data are characterized in that the operation is easy, the manual edition workload is simplified, the ability to generate the road network automatically is enhanced, and theadaptability is strong. The technical scheme adopted comprises that the completed road layer data is automatically cut into different road sections, and the road sections and the intersection type aredefined through manual interaction; then the road section information including the road number, road name, road type, road length, road width and the lane number and the like is constructed throughthe information such as the road center line, the lane boundary line and the lane width; the lane turning and communication relationship in different road sections are edited through manual interaction, and auxiliary information such as emergency stop distance, lane change distance and the like is added to automatically generate intersection information, associate different road sections, and construct a simulation road network logically. The system and method for constructing traffic simulation road network data have the advantages of being widely used in the simulation construction of traffic.
Owner:上海晶众信息科技有限公司

Method and system for collecting forum reply increment

The invention discloses a method and a system for collecting the forum reply increment, which belong to the technical field of network information collection. The method provided by the invention periodically judges whether all the forum lists which are required to be collected have newly increased posts and the posts which have new reply or not; and if yes, main posts and reply information are extracted from the newly increased posts, and the new reply information is extracted from the posts which have new reply. The system provided by the invention comprises a judging device (11) and an extraction device (12), wherein the judging device (11) is used for periodically judging whether a forum list page which is required to be collected has newly increased posts and the posts which have new reply or not; and the extraction device (12) is used for extracting the main posts and the reply information from the newly increased posts and the new reply information from the posts which have new reply. The method and the system can quickly, accurately and completely collect all the main reply information of one post, and accordingly, the problem of omitted searching or no finding when the existing search engine searches the paging reply information of the post is solved.
Owner:新方正控股发展有限责任公司 +2

Real-time acquisition and analysis method and system for potential safety hazard information of tourist location in intelligent scenic spot

The invention discloses a real-time acquisition and analysis method and system for potential safety hazard information of a tourist location in an intelligent scenic spot. The real-time acquisition and analysis method for potential safety hazard information of the tourist location in the intelligent scenic spot provided by the embodiment of the invention comprises the following steps: acquiring coordinate information of potential safety hazard of a tourist through a handheld terminal, and connecting acquired hidden danger data and a spatial analysis request with a GIS spatial analysis server through a Web server in real time to realize buffer zone analysis with consideration of slope; and calculating the radius of a hidden danger buffer zone and early warning level parameter information inreal time based on a scenic spot location safety knowledge base and the information of rainfall and water depth sensors, and saving knowledge formed during an analysis process. The technical scheme is easy to grasp and achieves the processing and warehousing technical effects of real-time acquisition and real-time analysis. Moreover, the embodiment of the invention provides a set of real-time acquisition and analysis system, which significantly reduces the workload of subsequent data analysis and warehousing arrangement, and improves the efficiency of scenic spot hidden danger information acquisition, analysis and warehousing.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Acquisition terminal of power distribution network capable of realizing data synchronization

The invention discloses an acquisition terminal of a power distribution network capable of realizing data synchronization. The terminal comprises a master control unit (MCU) and a plurality of acquisition units, wherein, the acquisition units are connected with the MCU through buses; the MCU is used for periodically sending synchronous command frames carrying the current time and synchronous serial numbers to the acquisition units, and each synchronous command frame comprises a synchronous clock command frame and a synchronous sampling command frame; and the acquisition units are used for receiving the synchronous sampling command frames, calculating a telemetering vector through recording the number of the current sampling point, and sending the telemetering vector to the MCU, and the telemetering vector comprises a real part and an imaginary part of the telemetering vector as well as the corresponding synchronous serial numbers. In the invention, the MCU and the acquisition units perform networking communication through the buses, and data synchronization among the plurality of the acquisition units is realized by means of the synchronous command frames so as to avoid repeated data acquisition. Therefore, the acquisition terminal has the characteristics of good real-time property, and is easy for implementation; and data synchronization precision is ensured.
Owner:AEROSPACE SCI & IND SHENZHEN GROUP

Test system, test method, electronic equipment and storage medium

The embodiment of the invention discloses a test system. The system comprises an infrared signal receiving module, a processing module, a storage module, a calling module and an infrared signal transmitting module; wherein the infrared signal receiving module is used for receiving a remote control instruction and sending the received remote control instruction to the processing module; the processing module is used for decoding the received remote control instruction and sending the obtained waveform information to the storage module; the storage module is used for performing associated storage on the waveform information and key value names which send the remote control instructions to obtain a learning type remote controller code value list; the calling module is used for calling the matched learning type remote controller code value list from the storage module according to the received test instruction and sending the matched learning type remote controller code value list to the processing module, so that the processing module carries out coding processing on the waveform information and then transmits the waveform information to a test target through the infrared signal transmitting module. By the test system provided by the embodiment of the invention, automatic test of the test target can be realized.
Owner:SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD

Substation equipment image collection method based on focusing and exposure servo of specified area

The invention discloses a substation equipment image collection method based on focusing and exposure servo of a specified area. The method comprises the following steps: collecting a clear image of substation equipment and storing the clear image as template data; when a substation polling robot executes a polling task and removes to a preset position, collecting a polling image of concerned equipment by a camera; registering the template image and the polling image collected onsite by using a feature matching algorithm to find a concerned equipment area in the center of the polling image; and calculating clarity values of the equipment area in the polling image and the template image, comparing a ratio of the two clarity values with a set threshold, if the ratio is smaller than the threshold, deeming that the equipment area in the polling image is not clear enough, and if the ratio is greater than the threshold, deeming that the equipment area in the polling image is clear enough. According to the substation equipment image collection method disclosed by the invention, a specified area focusing servo function is adopted on the image area where the equipment is located, so that a camera focusing position can be guaranteed to locate on the equipment, and a clear image of the equipment is collected so as to ensure the accuracy of reading or state identification of the equipment.
Owner:STATE GRID INTELLIGENCE TECH CO LTD

System for expropriation of houses on state-owned land

The invention discloses a system for expropriation of houses on state-owned land, and relates to the field of electronic informatization and the technical field of geographic information. The system is characterized by comprising a house expropriation business management subsystem, a watching representative generation subsystem and a house selection sequence number lottery subsystem; the house expropriation business management subsystem performs statistical analysis on expropriation compensation information according to house removal compensation standards to generate a compensation expense model, and imports calculation parameters of specific compensation expense items to the compensation expense model to generate a specific removal compensation expense scheme; and the watching representative generation subsystem performs data calculation on received information of an expropriated user selecting exchange of property right to generate a winning model, and randomly generates a certain proportion of watching representative results of a field watching lottery process according to the selected winning model. The system has the advantages that promotion and application of informatization of house expropriation work are realized; business information is effectively fused with two / three-dimensional graphic information; and multi-dimensional stereoscopic information presentation is realized.
Owner:星际空间(天津)科技发展有限公司

Mobile test platform for autonomous path planning and autonomous path-finding method

The invention relates to a mobile test platform for autonomous path planning and an autonomous path-finding method. An autonomous mobile system carries a test device, the manually input location information is received, path planning is performed, path optimization is performed to obtain an optimal path, and motion information is calculated according to the optimal path; an adaptive cable supportis used for supporting a cable, in connection with the outside, of the test device, so that the bending angle at the cable joint meets an angle threshold requirement. The mobile test platform and themethod in the invention can replace testers to move the device to a designated test station autonomously, thereby reducing the labor cost and reducing the damage that may be caused to the device during the moving process. At the same time, in a high ionizing radiation environment, the test is completed instead of the testers so that the occupational safety of the testers is guaranteed. According to the platform and the method in the invention, a laboratory environment map can be quickly constructed, thereby reducing the preliminary preparation work; and without the need for modification, a testing site can be applied to an unfamiliar test environment, thereby greatly improving the application range of the test platform.
Owner:BEIJING AEROSPACE AUTOMATIC CONTROL RES INST +1

Data interaction system and method for hospital medical insurance limit distribution

ActiveCN111105092ADoes not affect computing speedWill not affect service experienceFinanceForecastingHospital information systemServer
The invention discloses a data interaction system and method for hospital medical insurance limit distribution. A hospital office server of a certain hospital information system sends a medical insurance quota distribution request containing a unique code of a hospital to a corresponding private cloud server, the private cloud server uploads the medical insurance quota distribution request to a public cloud server, and the public cloud server sends the medical insurance quota distribution request to a medical insurance center server; and the medical insurance center server calculates the social insurance limit allocation quota of the current hospital according to the medical insurance limit allocation request, and sends the calculated medical insurance limit allocation quota to the corresponding hospital office server through the public cloud server and the private cloud server in sequence.
Owner:DAREWAY SOFTWARE

Electric-controlled adjustable suspension system positioned based on GPS and control method

The invention relates to an electric-controlled adjustable suspension system positioned based on a GPS and a control method, and belongs to the technical field of vehicle safety and comfort. An ECU receives carrier phase GPS position signals, is connected with a server network through wireless data communication, and transmits the position signals to the server network; the server network examines if control policies matched with the position signals exist; if so, the control policies are transmitted to the ECU, and it judges if a vehicle is kept to reach the preset time in the geographic position of a pavement with the type; if so, the ECU outputs control signals to a driver, and the driver controls a vibration reducer to work according to the control policies; and if not, the state switchover is not performed, the signals are not sent, and the vibration reducer keeps the previous working state. The system can use no or few sensors, so that the energy consumption is largely reduced.
Owner:JIANGSU UNIV

Data management method and device

The invention provides a data management method and device. The method includes the steps of creating at least one metadata model in advance; for each service system, performing the specific steps that data is collected from a current service system by using the metadata models and transmitted into a data resource center, parameter information of the metadata models is determined, a metadata catalog is constructed according to parameter information of the metadata models, at least one target metadata model is determined according to the metadata catalog, and a data sharing service is publishedaccording to data collected by the target metadata models. The provided scheme can achieve data sharing among different service systems.
Owner:INSPUR QILU SOFTWARE IND

Method for collecting and processing messages in real time based on SNMP

The invention discloses a method for collecting and processing messages in real time based on the SNMP, and belongs to performance management systems in mobile communication networks. The method aims at achieving the technical purposes of collecting network element data without a third-party system, making data granularity as accurate as one second or less, overcoming existing minute-level data delay of network management system data, and avoiding delay of network element performance data of key nodes. According to the technical scheme, the method includes the following steps that 1, a user issues an initial collecting task of a service model through a WEB page; 2, after receiving the initial collecting task, an SNMP collecting task management module translates the initial collecting task into a network element equipment collecting task or a network element instantiation port collecting task and conducts SNMP data collecting on network element equipment or network element instantiation ports based on the SNMP; 3, the SNMP collecting task management module groups and packages collected data according to the service model.
Owner:INSPUR TIANYUAN COMM INFORMATION SYST CO LTD

Data collection method and collection system

Embodiments of the invention disclose a data collection method and a data collection system, and relates to the field of communication technology. The data collection method and the data collection system can be used for solving the problem of interface resource waste caused by repeatedly obtaining data of the same network interface in a data collection process. The method disclosed by the embodiments of the invention comprises: a sharing layer respectively obtains the byte demand of each application program of an application layer, wherein the byte demand is used for expressing related information of data bytes necessary for the application program; the sharing layer obtains target data through a uniform interface according to the byte demand of each application program of the application layer; and the sharing layer sends the target data corresponding to each application program to each application program of the application layer. The data collection method disclosed by the invention is suitable for a collection system.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD

Method for realizing driver fingerprint information data transmission by using text file

The invention relates to actual application of a fingerprint identification technology in the public security traffic administration industry, wherein fingerprint image information are coded in a digitalization way, and a method for transmitting information with text files is adopted so as to better facilitate the transmission of the information to other places. The invention breaks through the limit of the traditional image information transmission, avoids the huge workload of repeated manual recording in a driving administration window of a traditional vehicle administration office, greatly shortens the time of a driver application procedure and a motor vehicle register procedure, improves the work efficiency of two parties and accelerates the work progress.
Owner:ZHENJIANG JINGYING SOFTWARE TECH

Data collection method, device and system

The embodiment of the invention provides a data collection method, device and system, and is applied to the field of Internet. The method comprises the following steps of sending a data collection request to a first server, wherein the data collection request comprises data collection standards for data collection so that the first server returns to collection data corresponding to the collection standards; receiving collection data returned by the first server; sending the collection data to a second server so that the second server receives and stores the collection data.
Owner:龙官波

Complete continuous integrated data collection method for GitHub and Travis CI

ActiveCN110286880ASolve the problem of volatileTrue reflection of continuous integration activitiesDatabase queryingDatabase management systemsContinuous monitoringDatabase
The invention provides a complete continuous integrated data collection method for GitHub and Travis CI. The method comprises steps of continuously monitoring the construction activity of the target project on the Tavis CI, downloading and storing a new construction record, and accurately collecting a corresponding uncollected code submission record from the GitHub according to the new construction record. Compared with the prior art, the continuous integrated data oriented to the GitHub and the Tavis CI can be completely collected.
Owner:INST OF SOFTWARE - CHINESE ACAD OF SCI

Multi-dimensional data processing method and device for power utilization data information

The invention discloses a multi-dimensional data processing method and device for power consumption data information, and the method employs a mode of combining unified collection and point-to-point collection, introduces the collection priority, and improves the data collection efficiency. The method comprises the following steps: acquiring power utilization data information of a user, classifying according to different attributes of the power utilization data information, classifying into different levels according to attribute categories, storing the power utilization data according to theclassifications and the levels, calculating key value pairs according to the different attributes, storing the key value pairs in an index file, analyzing the key value pairs when reading the data, and quickly positioning the power utilization data. Unified acquisition and point-to-point acquisition are combined, so the data acquisition efficiency is improved; and the key value pairs are obtainedby calculation according to the data attributes, so that data access is convenient and fast, and the data processing efficiency is improved.
Owner:SHENZHEN TECHRISE ELECTRONICS

Agricultural machinery operation path retrieval system and method based on mobile Internet and GNSS positioning

The invention discloses an agricultural machinery operation path retrieval system and method based on a mobile Internet and GNSS positioning, and relates to the field of precision smart agriculture. Avehicle is manually driven to enter an operation starting site, a plurality of positioning points are acquired at intervals in the process and are transmitted to a data service center in a remote manner, a field including all the positioning points or provided with the maximum number of the positioning points is recognized by employing a ray method or an electronic fence algorithm, a corresponding field boundary and a planned path are extracted, recognition of information of the operated fields and extraction of path planning information are realized and remotely transmitted to a vehicle maincontroller for automatic navigation, problems that during practical field operation, the conventional agricultural machinery needs to perform onsite pre-measurement and path planning before start ofoperation at each time, and soil pressing needs to be performed for multiple times are solved, and the operating efficiency of agricultural mechanical equipment is improved.
Owner:JIANGSU UNIV

Method, device and system for calibrating camera device

The invention discloses a method, device and system for calibrating a camera device. The method includes: determining a target camera device from all uncalibrated camera devices by utilizing the position information set and the real-time position information of the calibration equipment; and when it is determined that the calibration reference image of the target camera device is collected, updating the calibration state of the target camera device from the first state to the second state. Therefore, whether the calibration reference image of each camera device in the scene is acquired or notcan be known according to the calibration state of the device in the scene. In addition, the target camera device is determined by utilizing the position information set and the real-time position information of the calibration equipment, so that the orderliness of acquiring the calibration reference image of the camera device is ensured. Therefore, according to the technical scheme of the invention, the collection efficiency of the calibration reference image of the camera device is improved, repeated collection or missing collection is avoided, and the calibration efficiency is further improved.
Owner:北京爱笔科技有限公司

Application flow monitoring method and device, and Android equipment

The invention relates to an application flow monitoring method and a device, and Android equipment. The method comprises the following steps of when a monitoring program starts and does not inquire the notification of equipment to be tested, acquiring the application list of the application information of each application program in the equipment to be tested; monitoring the current network type of the equipment to be tested by the monitoring program through a broadcast; when the current network type is monitored to generate jumping within a preset time period, acquiring a first current network consumption flow, and according to the first current network consumption flow, updating the corresponding application information in the application list; and when the current network type is monitored not to generate jumping within the preset time period, acquiring a second current network consumption flow, and according to the second current network consumption flow, updating the correspondingapplication information in the application list. Under the condition that an extra access authority is not needed, the flow statistics condition of each application program on the equipment to be tested in different network types can be directly acquired, and the efficiency of application flow monitoring is increased.
Owner:E-SURFING DIGITAL LIFE TECH CO LTD

Simple network management protocol (SNMP) network management system and method for reducing repeated SNMP requests

The invention relates to a network equipment management technology, and discloses a method for reducing repeated simple network management protocol (SNMP) requests. By the method, the problem of repeated SNMP request filtering inadequacy in the prior art is solved. Key points of the technical scheme can be summarized in that: before transmitting an SNMP request to managed equipment, an SNMP network management workstation queries whether management information base (MIB) data required by the request is locally cached or not, and directly calls the cached MIB data and does not transmit the SNMP request to the managed equipment if the MIB data is cached and caching time meets the requirement of a management task on timeliness; and the SNMP request is transmitted to the managed equipment only when the MIB data is not cached locally or the caching time does not meet the requirement of the management task on the timeliness. In addition, the invention also discloses an SNMP network management system. The method and the system are applied to network management over the managed equipment.
Owner:MAIPU COMM TECH CO LTD

Numerical control machine tool fault automatic diagnosis system

The invention discloses an automatic fault diagnosis system for a numerical control machine tool, belongs to the field of equipment diagnosis, relates to a model building technology, and is used for monitoring equipment parameters of the numerical control machine tool and avoiding the situation that equipment problems of the numerical control machine tool are not known by a user. According to the invention, equipment working parameters are acquired through a parameter acquisition module; a preprocessing module preprocesses the equipment working parameters; a model training module is used for training a preprocessing result of the preprocessing module to obtain a training model; a fault diagnosis module receives the equipment working parameters preprocessed by the preprocessing module in real time and substitutes the equipment working parameters into the training model for equipment normal index calculation; the equipment normal index is compared with an equipment normal index threshold value and an early warning signal is output; and a fault alarm module receives the early warning signal and carries out fault alarm so as to complete numerical control machine tool fault automatic diagnosis and autonomous alarm. And the situation that equipment problems of the numerical control machine tool are not known by themselves is effectively avoided.
Owner:南通市紫日机械有限公司

Host device vulnerability scanning method and system

The invention discloses a host device vulnerability scanning method and system in the technical field of information security, aiming at solving the technical problems that in the prior art, vulnerability scanning occupies too many resources, and host performance is affected, and the load risk of host equipment is increased due to frequent vulnerability scanning are solved. The host device vulnerability scanning method comprises the following steps: acquiring software version information of a host device; and comparing the collected software version information with software version information stored in a vulnerability library, and identifying the security vulnerability according to a comparison result. The host device vulnerability scanning system comprises an information acquisition module used for acquiring software version information of the host device, an information comparison module for comparing the collected software version information with software version information stored in a vulnerability library, and a vulnerability identification module for identifying security vulnerabilities according to comparison results.
Owner:STATE GRID CORP OF CHINA +5

Barreling equipment for petroleum transportation

The invention relates to barreling equipment, in particular to barreling equipment for petroleum transportation. The barreling equipment for petroleum transportation achieves automatic barreling, automatic conveying and automatic petroleum storage is provided. The barreling equipment for petroleum transportation comprises a bottom plate, a support, a downward pressing mechanism, a petroleum conveying opening, a petroleum storage mechanism and a rotating mechanism; the support is arranged on the bottom plate; the downward pressing mechanism is arranged on the upper side of the support; the petroleum conveying opening is formed in the downward pressing mechanism; the petroleum storage mechanism is connected between the support and the bottom plate, and the petroleum storage mechanism is connected with the petroleum conveying opening; and the rotating mechanism is connected between the support and the bottom plate. According to the equipment, the petroleum conveying opening and first sliding rods move downwards, first springs are stretched, and therefore pin blocks move downwards, and the downward pressing effect is achieved.
Owner:南京灵亚文化传播有限公司
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