Elevator polling monitoring system and elevator polling monitoring method based on block chain
Self-heat-dissipation gear type cleaning pump for vehicle
Monitorable unmanned aerial vehicle and monitoring shooting method of unmanned aerial vehicle
Oil consumption, driving track and safe driving integrated remote monitoring system
DCDC conversion circuit by adapting to wide input voltage and vehicle-mounted charger
Multifunctional magnetic adsorption wall-climbing robot device
Compatible high-power double-end output vehicle-mounted charger and control method thereof
Double-end output charging circuit and auxiliary circuit switch control method thereof
Optical energy charging vehicle and charging method thereof
Automobile driving auxiliary early warning system based on cloud computing and Internet of Things
Dropper detection device and dropper anomaly detection method
Ship air layer drag reduction test observation system
Method for realizing single-line communication of elevator bus buttons
Radio frequency identification target positioning method based on unmanned aerial vehicle
Parking guidance system based on RFID and unmanned aerial vehicle and working method
Convenient-to-maintain photovoltaic module cleaning robot
Motion frame structure of photovoltaic module cleaning robot