Split type automobile hub cover with automatic power generation function
Hub cover with display function and display control system thereof
Three-rotor-wing aerial photography unmanned aerial vehicle
Vehicle axle load measuring device and measuring method
Large-lifting-force winch for window cleaning machine
Shielding device of sliding plug door air duct, sliding plug door and vehicle
Fuel tank cover intelligent control system based on pressure sensor
Automatic curling and self-walking track carrier for large tent
Caterpillar band traveling mechanism and tracked vehicle with same
Vehicle charging management method and system based on sensor technology
Protection method and device for lane change of adjacent lanes