Saddle convenient to disassemble and assemble and bicycle
Sensitive photo-thermal self-driven flexible blade and preparation method thereof
Self-driven flexible blade with antibacterial property and preparation method thereof
Standardized electrical interface, design method and truck
Gantry crane with self-repairing function and fault detection and repairing method
Automatic disinfection, sterilization and purification device for elevator floor selector
Controllable robot based on photosensitive intelligent composite material
Tower crane attachment universal rod piece connecting assembly and mounting method thereof