Separable backrest type device for improving safety and comfort of two-wheeled vehicle
Foot control anti-falling auxiliary device for two-wheeled vehicle
Voice interaction system for actively reducing noise of internal call and vehicle
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
Venturi tube and automobile fuel steam desorption system
Auxiliary device used for installation and maintenance of fan frequency converter
Inspection robot for carbon dioxide monitoring and working method thereof
Streamline-shaped buoy capable of preventing floating objects from being wound
Staged energy absorption type automobile collision energy absorption box
Image processing method and device, equipment and medium