Cable anti-falling device, cable drum and cable anti-falling method
Cantilever crane supporting control method, system and device and engineering vehicle
Capacitance box of maglev train, maglev train and voltage stabilization control method
Charging gun pulling assisting device, charging monitoring instrument and use method thereof
Charging load prediction method and system for dynamic transfer model of electric vehicle
Child seat safety device for tourist bus and control method of child seat safety device
Circuit for reducing standby power consumption of charging pile and charging pile
Climbing control system of fixed-wing unmanned aerial vehicle
COLLABORATION BETWEEN A RECOMMENDATION ENGINE AND A VOICE ASSISTANT