Separable backrest type device for improving safety and comfort of two-wheeled vehicle
Monitoring system and monitoring method for elevator braking slippage and traction wheel slippage
Voice interaction system for actively reducing noise of internal call and vehicle
Foot control anti-falling auxiliary device for two-wheeled vehicle
Unintended car movement protection device, brake unit and control method of brake unit
Elevator car accidental movement protection device and control method
Method for improving accuracy of geomagnetic parking stall detector
Multifunctional recreational vehicle with foldable roof
Venturi tube and automobile fuel steam desorption system
City expressway main and auxiliary road floating vehicle map matching method
Steel rope tension wheel type sliding testing device of mine hoisting machine
Road segment traffic state distinguishing method based on multi-source data
Auxiliary device used for installation and maintenance of fan frequency converter
Parking space state detector with parking index analyzing function and method thereof
Vehicle positioning and reverse vehicle searching system and method
Staged energy absorption type automobile collision energy absorption box
Railway passenger car power supply line protection device
Inspection robot for carbon dioxide monitoring and working method thereof
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 and anti-twisting device and shaft segment hoisting and anti-twisting system
Shaft segment hoisting anti-twisting device and shaft segment hoisting anti-twisting system