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46results about How to "Easy power control" patented technology
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Method and device for implementing the multi-wave bundle intelligent antenna with the directional antenna
InactiveCN101056451AEasy to control and useSimple structureSpatial transmit diversityPolarisation/directional diversityDirectional antennaSmart antenna
A method and an apparatus for realizing a multibeam smart antenna by directional antennas in a mobile communication system, are provided. The method comprises performing space division on a base station service region by N directional antennas independent with one another to divide the base station service region into N cells, each cell satisfying a perdetermined electromagnetic radialization request; composing a delamination multibeam array by the N directional antennas based on the region to be covered by the base station, the directional antenna adjusting direction of the beam in advance to realize space division multiple access, the antenna for performing transmission and receiving of signals are controlled by a main processor unit, auxiliary processors and an antenna selection unit to position and track a mobile user. The apparatus includes a delamination antenna array composed of N directional antennas independent with one another, the antenna selection unit, auxiliary processors, a main processor; wherein the N directional antennas are connected with input ends of the auxiliary processors respectively, the auxiliary processors are connected with the antenna selection unit and the main processor respectively, the main processor is connected with the antenna selection unit and the base station. The invention has a high communication capacity and immunity.
Owner:LANZHOU UNIV ELECTRONICS TECH DEV APPL RES INST
Power-optimized wireless communications device
InactiveUS20120010890A1Requires minimizationLong-term usePower managementSpeech analysisMicrocontrollerPower application
The present invention is an Always On, Hands-free, Speech Activated, Power-optimized Wireless Communications Device with associated base. The unique value of the device is that a person can use the device at any time, 24×7, with hands-free operation. People can wear it 24×7 on their body either around their neck or on their wrist or wherever it best meets their needs. Speech activation provides greater convenience for the person in using the wireless communications device, and at the same time, it allows the microcontroller greater control of power consuming resources. The wireless communications device may host simple, low power applications. In addition, applications will reside in the base, and in an application (either voice or data) server that is accessed by the wireless communications base.
Owner:KOVERZIN RAYMOND CLEMENT
Method and corresponding device for controlling uplink control channel power
The invention provides a method for controlling uplink control channel power in a multi-point cooperative system according to an implement method. The method includes that under the condition that a single receiving point receives an uplink control channel, on the basis of measured loss of a path from the single receiving point to user equipment, uplink control channel power control is conducted; and under the condition that multiple receiving points receive the uplink control channel, disturbance among cells caused by the fact that the multiple receiving points receive and combine gain is reduced by reducing uplink control channel transmission power of the user equipment, and uplink control channel power control is conducted. An implement method of the invention further provides a device for controlling the uplink control channel power in the multi-point cooperative system and a corresponding base station device.
Owner:ALCATEL LUCENT SHANGHAI BELL CO LTD
Power chip type LED light source for LCD backlight module
InactiveCN101520569AUnique packagingImprove cooling effectPoint-like light sourceElectric circuit arrangementsLiquid-crystal displayElectrical connection
The invention provides a power chip type LED light source for an LCD backlight module, which is formed by a plurality of grid-shaped semiconductors, and at least two LED semiconductors are arranged in each grid. The LED light source comprises a printed circuit board (PCB), an LED chip arranged at the upper side of the PCB and a light-emitting lens arranged at the light-emitting surface of the LED chip; a radiator is arranged under the PCB, PCB leads are distributed around the radiator, and the radiator is assembled with electrical connection structure and a corresponding control circuit; and the radiator and the PCB are fixed into a whole by a mechanical fastening part and the same extended light source. The power chip type LED light source has stable and shockproof structure, good color rendition and heat dissipation effect, no incomplete shadow, electricity conservation and long service life, and can remarkably improve the color expressive force of liquid crystal display.
Owner:NANJING HANDSON SCI & TECH CORP
Stator, motor, and method of manufacturing such stator
InactiveCN1829044AAvoid elevationSmall sizeMagnetic circuit stationary partsManufacturing stator/rotor bodiesEngineeringConductor Coil
The invention provides a method, which overlay connects axially track rings (11), (12), (13) in order, to make the rings has the same axis with a shaft line (P). Arranging axially each claw-like induced poles (22), (24), (26). When the axial end-face of A phase rear yoke (21) contacts with the other axial end-face of B phase rear yoke (23), the base ends of claw-like induced poles (22), (24) arranged along the axis with proper interval, axially grip alpha phase ring winding (14) and fixed the winding. When the other axial end-face of B phase rear yoke (23) contacts with the axial end-face of D phase rear yoke (25), the base ends of claw-like induced poles (242), (26) arranged along the axis with proper interval, axially grip beta phase ring winding (15) and fixed the winding.
Owner:HONDA MOTOR CO LTD
Signal transmission method, system and device of multi-input multi-output (MIMO) system
InactiveCN102201899AReduce distractionsMeet the requirements of fairnessEnergy efficient ICTError prevention/detection by using return channelMulti inputChannel state information
The invention discloses a signal transmission method, system and device of a multi-input multi-output (MIMO) system. The method comprises the following steps: a transmitting end sequentially performs operations of channel coding, interlacing, scrambling and constellation mapping on a signal; the transmitting end performs orthogonal processing on a channel gain matrix in the channel state information fed back by a receiving end, and performs non-linear pre-coding on the signal after the constellation mapping by use of the channel gain matrix after the orthogonal processing; and the transmitting end sends the signal after the non-linear pre-coding to a channel and transmits the signal to the receiving end through the channel. Through the invention, the situation of relatively poor channel conditions can be adapted to, interference among multiple users is reduced, the error rate of the system is reduced, the overall performance of the system is improved, the information overhead is reduced, the power control can be implemented more conveniently, and the requirement of users on fairness can be met.
Owner:ZTE CORP
Laser frequency stabilizing method and optical system for improving performance of optical pumping cesium beam atomic clock
ActiveCN110515290AImprove reliabilityReduce complexityApparatus using atomic clocksBeam splitterFluorescence
The invention discloses a laser frequency stabilizing method and optical system for improving performance of an optical pumping cesium beam atomic clock. According to the method, a detected fluorescence signal of the optical pumping atomic clock is divided into two paths, one path of fluorescence signal is input into a microwave cavity of the optical pumping atomic clock through a feedback deviation correction loop, and the other path of fluorescence signal is input into the spectrum input end of a laser frequency stabilization module; laser output by a laser device sequentially passes an isolator (1), a delay wave plate (6) and a polarizing beam splitter (7), and is divided into two beams, one beam is used as detection light and enters a light pumping atomic clock detection area, and theother beam is focused by a lens, enters an acousto-optic modulator (9) for frequency shift output and then collimated into parallel light by a lens, and the parallel light is used as pumping light andenters a light pumping atomic clock pumping area. According to the invention, only one AOM device is added, and two sets of complex saturated absorption spectrum light paths and one laser are omitted, so that the system complexity of the whole clock is reduced, the cost is reduced, and the system reliability is improved.
Owner:昆山拉姆齐光电科技有限公司
Elastic operation control method for AC/DC hybrid distribution network
PendingCN109830976ARealize flexible operation controlIncrease elasticityElectric power transfer ac networkSingle ac network with different frequenciesNonlinear mixed integer programmingParticle swarm algorithm
The invention discloses an elastic operation control method for an AC / DC hybrid distribution network. By establishing a distribution network elastic evaluation index, an energy storage model, a wind power and photovoltaic output model, and constructing a AC / DC distribution network timing sequence transfer model, overall modeling is performed. Since the model is a nonlinear mixed integer programming model and is difficult and inefficient to solve by an artificial intelligence algorithm or enumeration method. Therefore, the invention provides a greedy search algorithm for solving and optimizingthe model. When a fault occurs in the AC / DC hybrid distribution network, the provided model takes account of the transfer and control capabilities of the energy storage, transfers the loads in the faulted distribution network area in cooperation with distributed power sources such as wind power and photovoltaic power in the distribution area and the standby power supply capacity of an adjacent tieline, calculates the elastic index according to a transfer result, optimizes the output of each energy storage period by an improved particle swarm optimization algorithm to obtain an optimal energystorage output mode, and finally achieves the maximum elastic operation of the distribution network in the fault area.
Owner:SICHUAN UNIV +1
High-temperature nano-electrothermal film of double-film structure and preparation method thereof
InactiveCN103796346AImprove effective utilizationIncrease contact areaLayered productsVacuum evaporation coatingComposite filmSurface oxidation
A high-temperature nano-electrothermal film of a double-film structure is composed of a quartz substrate, an alloy film electrode and a silicon carbide and molybdenum disilicide composite film layer. By means of a method of magnetron sputtering, first the alloy film electrode is arranged on the quartz substrate in a mask sputtering mode, then a silicon carbide film layer and a molybdenum disilicide film layer sequentially deposit; finally, high temperature annealing is conducted, and the surface of the molybdenum disilicide film layer is oxidized into a thin silicon dioxide protective layer. The alloy film electrode is a platinum alloy film electrode or a cobalt-base alloy film electrode. Two types of high temperature nanometer materials including silicon carbide and molybdenum disilicide with the purity of 99.950% are adopted in the electrothermal film, the surface of the film layer is oxidized to a silicon dioxide polycrystalline structure, oxygen is isolated, the service life of the electrothermal film is effectively prolonged, and the safety factor is effectively improved. The advantages of the two materials are utilized by the high-temperature nano-electrothermal film, work temperature is as high as 1000 DEG C, meanwhile heat efficiency is 98% or so, and the high-temperature nano-electrothermal film can be widely applied to the technical field of high temperature heating and the like.
Owner:UNIV OF SHANGHAI FOR SCI & TECH
Raman laser with improved output power and lower sensitivity to the output coupler reflectivity
InactiveUS20050152412A1High outputEasy power controlLaser using scattering effectsResonant cavityRayleigh scattering
It is proposed to use a Raman laser with a new optical resonant cavity for the Roman radiation λRR. Such resonant cavity is made out of an unpaired reflector rRR with a reflecting wavelength corresponding to said Raman radiation λRR. The second reflector at the output needed to build an optical resonant cavity is advantageously defined by Rayleigh scattering to take place at least at a portion of the optical fiber between the reflector rRR and the output of that Raman laser. With the use of the Rayleigh scattering as a complementary reflector to be associated with the unpaired reflector, it is then possible to obtain an optical resonant cavity for the Raman radiation λRR with an output reflectivity of less than 1% i.e. with optimized Raman radiation. Such Raman laser is particularly appropriated to be used as a second order Raman laser.
Owner:ALCATEL LUCENT SAS
Power determination method, signal sending method, device, network equipment and storage medium
ActiveCN110536395AImprove power utilization efficiencyEasy power controlPower managementSynchronisation arrangementPower controlComputer science
Owner:ZTE CORP
Method for real-time computing path loss in mobile communication system
InactiveCN1744452AEasy power controlPower managementTransmission control/equalisingUltrasound attenuationUser device
Receiving signal transmitted by user device, base station determines an index N based on empirical value or test value of previous signals. Using the index N, the method carries out operation of amplification, attenuation or maintenance for signal transmitted by user device, calculates value of lose of amplified, attenuated or maintained signals for average route in multiple frames to make the value of lose for average route is located at range of data specified by system. Then, using the said value N restores actual lose value for route in use for power control. Later, the index N can be kept unchanged, or can be updated once every certain number of frames.
Owner:诺基亚西门子通信系统技术(北京)有限公司
UE power distribution method used for LTE/LTE-ATDD double-connection scene
The invention provides a UE power distribution method used for an LTE / LTE-ATDD double-connection scene. The UE power distribution method used for the LTE / LTE-ATDD double-connection scene is a method for deciding the time of duration for executing the look-ahead function by comparing uplink and downlink configurations used by MeNB and SeNB. By comparing the uplink and downlink configurations used by MeNB and SeNB, whether the look-ahead function of UE is started or not is decided according to the occurring situation of special subframes S in UL-DL configurations; the UE intelligently starts the look-ahead function in the scene of double connection of the UE and a TDD base station, it is ensured that the UE reasonably distributes power, and the system performance is improved.
Owner:WUHAN HONGXIN TELECOMM TECH CO LTD
Underwater mobile wireless sensor network power control method based on non-cooperative game theory
ActiveCN106162672AGuaranteed uptimeImprove SINRPower managementNetwork topologiesMobile wireless sensor networkWater flow
The invention discloses an underwater mobile wireless sensor network power control method based on non-cooperative game theory, comprising the steps of determining a target node to be optimized; establishing an underwater mobile wireless sensor network model oriented to an underwater complex environment, including a node mobility limited model and an end-to-end delay model; according to the established underwater mobile wireless sensor network model, establishing a non-cooperative game model and a utility function; subjecting the established utility function of step 2 to Nash equilibrium analysis to obtain whether Nash equilibrium of the utility function is present or not, if yes, executing step 4, and if not executing step 2; judging whether the Nash equilibrium is unique or not, if yes, executing step 5, and if not executing step 2; solving the Nash equilibrium of step 3 to obtain a Nash equilibrium point. The single-hop end-to-end delay is reduced, and fluctuation amplitude of average power due to water flow is partly reduced.
Owner:ZHEJIANG SCI-TECH UNIV
Heater heating element manufacturing method
InactiveCN107447178ACompact structureSuitable for installationMolten spray coatingOhmic-resistance heatingThermal sprayingInsulation layer
The invention discloses a heater heating element manufacturing method. The heater heating element manufacturing method comprises the steps that a heater shell is polished through a sand blasting process; a buffer layer tool is placed on a heating area and fixed, and through a hot spraying process, a buffer layer is sprayed on the heating area; a first ceramic insulation layer shield tool is placed on the buffer layer and fixed, and through the hot spraying process, an aluminum oxide ceramic material is sprayed on the buffer layer to form a first ceramic insulation layer; a heat layer shield tool is placed on the first ceramic insulation layer and fixed, and a heating layer is sprayed on the first ceramic insulation layer through the hot spraying process; heating element electrodes are sprayed at the two ends on the heating layer; and after spraying of the heating layer is completed, a second ceramic insulation layer shield tool is placed on the heating layer and fixed, and through the hot spraying process, an aluminum oxide ceramic material is sprayed to form a second ceramic insulation layer. According to the heater heating element manufacturing method, the heat conducting efficiency can be improved, and through the hot spraying process, heating elements are sprayed on the surface of the heat exchange surface of a heater to be used as heat emitting sources of the heater.
Owner:ZHENJIANG HELMHOLTZ HEAT TRANSFER TRANS SYST CO LTD
Self adaptive power control method for up-high speed special physical control channel
ActiveCN1859029AEasy power controlReduce processing burdenError preventionTransmission control/equalisingAir interfaceDPCCH
This invention puts forward an adaptive power control method for the HS-DPCCH channel including: a mobile terminal modulates the actual emission power of the up HS-DPCCH channel based on the requirement on the channel quality of the links at the soft switch state, which solves the problem that the network sends special information when needing to adjust the power offset of the up HS-DPCCH channel and reduces load of the air interface at the same time when reducing the process load of the system signaling.
Owner:XFUSION DIGITAL TECH CO LTD
Method for node B to configure power control parameter of high-speed sharing information channel
The invention disclose a power control parameter method for node B configuring the high sharing channel, in the time synchronization code multi-address TD-SCDMA system, firstly, the node B obtains the parameters of 'Ack-Nack power offset' and 'HS-SICH SIR Target', by measuring the real power value PHS-SICH and the ACK / NACK information carried by sharing information channel; according to the said information, the node B obtains the sending power value of sharing information channel, and compares with the parameters of HS-SICH SIR Target', and determine the parameter value of 'TPC' according to the result. Further, the TPC parameters can be sent to the user's device. The method in the invention reinforces the disadvantages in the present technology protocol, and realizes the node B configuring the TPC parameters for the high sharing information channel.
Owner:ZTE CORP
Automatic lifting device for ultra short base line transducer
InactiveCN105425211AEasy to disassemble and repairSimple structurePosition fixationMotor driveTransducer
The invention relates to an automatic lifting device for an ultra short base line transducer. The automatic lifting device comprises a transducer, a gate valve, a repair box, a vertical stem casing, a vertical stem frame, a chain, a transducer shaft and a motor; the motor is fixedly arranged at the upper end of the vertical stem frame, the chain is arranged in the vertical stem frame, an output shaft of the motor drives the chain to rotate, the transducer shaft is arranged in the vertical stem frame and connected with the chain, the chain drives the transducer shaft to perform vertical lifting, the vertical stem casing is fixedly arranged at the lower end of the vertical stem frame, a first through hole is formed in the vertical stem casing, the repair box is fixedly arranged at the lower end of the vertical stem casing, the gate valve is fixedly arranged at the lower end of the repair box, a second through hole is formed in the repair box and the gate valve, the transducer shaft can vertically move and penetrate through the first through hole and the second through hole, the transducer is arranged at the lower end of the transducer shaft, and the transducer shaft can drive the transducer to vertically move and stretch into the repair box in the second through hole for maintaining. Compared with the prior art, the automatic lifting device has the advantages of stability in operation, high positioning precision, low cost and convenience in maintenance.
Owner:国家海洋局北海海洋技术保障中心 +1
Wind power collection flexible direct current sending-out end participation power grid frequency modulation control method and system
PendingCN112134298AExpand network frequency adjustment resourcesImprove frequency control qualityElectric power transfer ac networkSingle network parallel feeding arrangementsPower controlControl mode
The invention discloses a wind power collection flexible direct current sending-out end participation power grid frequency modulation control method and device. A wind power plant and a flexible direct current sending-out end are equivalent to a flexible direct current virtual unit; the power grid frequency modulation control model inputs two types of data to a provincial power grid master stationin real time through a flexible direct-current virtual unit, and the provincial power grid master station outputs three control modes to the virtual unit; the provincial power grid master station outputs different control modes according to different input data and power grid regulation and control requirements; and when the control mode of the flexible direct-current virtual unit is set to be aprimary frequency modulation mode, when the control mode of the flexible direct-current virtual unit is set to be a secondary frequency modulation mode, and when the control mode of the flexible direct-current virtual unit is set to be a local mode, the provincial power grid master station issues different power control instructions to the flexible direct-current virtual unit. The new energy sending-out end integrally participates in primary and secondary frequency modulation control of the power grid, power grid frequency adjustment resources are expanded, and the frequency control quality ofthe power grid is improved.
Owner:NARI TECH CO LTD +3
Transmission method and device of HS-SICH information
ActiveCN102386994AAdd missing flagExact error probabilityError prevention/detection by using return channelTerminal equipmentComputer science
The embodiment of the invention discloses a transmission method and a device of HS-SICH information. By applying the technical scheme of the transmission method and the device of the HS-SICH information, recommended modulation fashion (RMF) information is removed from the HS-SICH information fed back by a terminal device, and an HS-SICH information loss mark is added. A base station can judge the quality of an information channel simply according to recommended transport block size (RTBS) reported by the terminal device, so that feedback of the RMF can be omitted, the added HS-SICH information loss mark enables the base station to accurately judge error probability of HS-SICH and HS-SCCH, and accordingly the base station can perform optimized power control according to statistical results of corresponding error probability.
Owner:DATANG MOBILE COMM EQUIP CO LTD
Apparatus for controlling power of wireless device and method thereof
InactiveCN102388658AReduce power consumptionEasy power controlPower managementEnergy efficient ICTSleep stateEngineering
A method of controlling the power consumption of a wireless station is disclosed. The present invention includes waking-up a coordinator in a sleep state, entering an awake state and if a signal for turning on a peripheral station is received in the awake state, transmitting an awake message to the peripheral station via a beacon signal during a beacon timeslot. Accordingly, the power consumption of a coordinator in a WPAN network may be reduced, power control by a peripheral station may be facilitated, and inefficient operation and management of the network may be prevented.
Owner:LG ELECTRONICS INC
Uplink data transmission method, user equipment and readable storage medium
ActiveCN111010738AEasy power controlSimplify complexityRadio transmissionWireless communicationData transmissionReal-time computing
The invention discloses an uplink data transmission method, user equipment and a readable storage medium. The method comprises the steps of receiving uplink scheduling information, the uplink scheduling information comprises indication information of TPMIs corresponding to all sub-bands used for uplink data transmission, and the indication information of the TPMIs corresponding to all the sub-bands corresponds to indication information of the same rank; determining a precoding matrix corresponding to each sub-band based on the indication information of the TPMI corresponding to each sub-band;and pre-coding and sending uplink data to be transmitted on each sub-band based on the pre-coding matrix corresponding to each sub-band. By applying the method, the reliability of the uplink data canbe improved.
Owner:BEIJING SPREADTRUM HI TECH COMM TECH CO LTD
Multifunctional built-in electric heating thin-film type heating structure
InactiveCN102752888AHigh thermal efficiencyShorten heating timeOhmic-resistance heatingControl powerHeating time
A multifunctional built-in electric heating thin-film type heating structure comprises an electric heating thin-film, and is characterized in that an upper insulating layer is arranged on an upper surface of the electric heating thin-film, and a lower insulating layer is arranged on a lower surface, and the upper and lower insulating layers are clamped inside a heated body. The multifunctional built-in electric heating thin-film type heating structure is of a built-in structure. The electric heating thin-film, the insulating layers and a thermal-protective layer are clamped inside the heated body, so that the electric heating thin-film and the heated body are dissolved integrally, therefore effectively improving the heat efficiency and shortening the heating time. In addition, the thermal-protective coating layer can be coated on one of the two faces of the electric heating thin-film as demanded to form an unidirectional heat conducting function, so that the heat efficiency can be further improved. The multifunctional built-in electric heating thin-film type heating structure provided by the invention is safe and reliable, accurate in temperature detection and convenient for controlling power.
Owner:GUANGZHOU HANRUN COMP INFORMATION TECH
Platinum self-powered reactor core gamma strength detection device
PendingCN112599262AReduce fuel consumptionExtended service lifeNuclear energy generationNuclear monitoringBurnupNeutron flux
The invention relates to a platinum self-powered reactor core gamma strength detection device. The device comprises an emitter, a shielding body and a collector which are sequentially arranged from inside to outside, wherein the emitter is made of a platinum metal wire and is used for absorbing neutrons and photons in the reactor and generating corresponding electrons; the shielding body is used for providing insulation performance for the emitter in a high-temperature environment of the reactor and does not interact with neutrons and photons in the reactor; and the collector is connected witha background processing system through a transmission cable and is used for sending the corresponding signal current generated by the collected electrons to the background processing system to monitor the neutron flux in the reactor. The invention has the beneficial effects that the neutron flux and gamma flux in the reactor are simultaneously detected, the signal feedback is fast, the response time is short, the detector can tolerate the high-temperature, high-irradiation and high-pressure environment in the reactor due to the arrangement of the shielding body, the stable operation time is long, the burnup of the emitter is low, the service life is long, and frequent shutdown and replacement are avoided.
Owner:LANZHOU UNIVERSITY
Power control method for underwater mobile wireless sensor network based on non-cooperative game
ActiveCN106162672BGuaranteed uptimeImprove SINRPower managementNetwork topologiesMobile wireless sensor networkWater flow
Owner:ZHEJIANG SCI-TECH UNIV
A multifunctional built-in electrothermal film heating structure
InactiveCN102752888BHigh thermal efficiencyShorten heating timeOhmic-resistance heatingControl powerHeating time
Owner:GUANGZHOU HANRUN COMP INFORMATION TECH
Light irradiation device and light irradiation method
ActiveCN106997125BHigh strengthFine Power ControlEnergy saving control techniquesNon-linear opticsLight irradiationControl cell
Owner:USHIO DENKI KK
Uplink data transmission method, user equipment and readable storage medium
ActiveCN111010738BImprove reliabilityAccurate acquisitionRadio transmissionWireless communicationUplink schedulingEngineering
An uplink data transmission method, user equipment and a readable storage medium. The method includes: receiving uplink scheduling information, the uplink scheduling information including TPMI indication information corresponding to each sub-band used for uplink data transmission, and the TPMI indication information corresponding to each sub-band corresponding to the same rank indication information ; Based on the indication information of the TPMI corresponding to each subband, determine the precoding matrix corresponding to each subband; respectively, based on the precoding matrix corresponding to each subband, perform precoding on the uplink data to be transmitted on each subband and send. Applying the above solution can improve the reliability of uplink data.
Owner:BEIJING SPREADTRUM HI TECH COMM TECH CO LTD
Stator, motor, and method of manufacturing such stator
InactiveCN100508331CAvoid elevationSmall sizeMagnetic circuit stationary partsManufacturing stator/rotor bodiesEngineeringMechanical engineering
Owner:HONDA MOTOR CO LTD
An ultrasonic cutting mechanism for ear loops and nose wires for full-servo masks
ActiveCN111452118BEasy to cutTo achieve the purpose of ultrasonic cuttingGarment suspendersMetal working apparatusUltrasonic vibrationHigh intensity
Owner:广州龙越自动化设备有限公司
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