Vehicle positioning and reverse vehicle searching system and method
Railway passenger car power supply line protection device
Image processing method and device, equipment and medium
Balance-adjustable floating head sheave device used for multi-rope winding type lifter
Intelligent express delivery connection trolley for unmanned aerial vehicle delivery
Novel energy feedback system for hybrid energy storage of elevator
Streamline-shaped buoy capable of preventing floating objects from being wound
Shaft segment hoisting anti-twisting device and shaft segment hoisting anti-twisting system
Shaft segment hoisting and anti-twisting device and shaft segment hoisting and anti-twisting system
Spur dike water depth and flow velocity measuring ship in case of accident
Method for measuring water depth flow velocity of spur dike