VEHICLE EMBLEM RAISING AND RETRACTING DEVICE, AND VEHICLE
Underwater static sounding device with automatic climbing sonar
Dynamic intelligent identification system for overload vehicle and identification method thereof
Spacecraft component surface microorganism killing cabinet
Vehicle path fitting method and device based on road network topological structure
Automobile locking mechanism and automobile seat lock
Unmanned aerial vehicle capable of resisting satellite signal interference
Electric vehicle wired and wireless integrated charging method and system
Urban traffic data acquisition system based on Internet of Things