Vehicle rearview mirror blind region detection method and detection device
Four-wheel-drive hybrid power system and multi-driving-mode control method
Color-changeable adaptive car window system and car window color control method
Multi-layer telescopic protection sliding table system for tail wing folding
Deformable bicycle backseat with object carrying function
Vehicle safety early warning system and method for signal-control-free intersection
Goods delivery control method and device, refrigerator and goods delivery device
Involution positioning turnover system for assembling frame and wallboard of protective vehicle
Laser target shooting type unmanned aerial vehicle thrust line measuring device
Pressure and liquid level control system for ship high-temperature water buffer cabinet
Pre-starting air supply system for brake system of heavy-duty car
Historical data-based method for judging whether ship enters or leaves a river at controlled reach
Connecting sleeve of spray pipe and combustion chamber of solid rocket engine
Vehicle-mounted refrigerator, control method, controller and vehicle