Adjustable suspension arm structure of railway vehicle chassis equipment
A high-capacity carbon prepared from renewable chicken feather biopolymer for supercapacitors
Anti-falling fixing rope assembly for high-place operation large tool
Automatic cooling device for disc brake of petroleum drilling rig winch
Automatic execution device and method for dumper lifting test
Automatic maintenance device for liquid lubricating grease steel wire rope
Automobile body-in-white widening method and widening assembly
Automobile seat based on concave hexagonal negative poisson ratio cellular structure
Auxiliary butt joint tool of escalator step chain and step chain butt joint method
Beidou fishery shipborne terminal equipment and method
BOG heating cycle control system and method of VLCC ship
Boosting the efficiency of pure sulfide CZTS solar cells using the In/Cd-based hybrid buffers
Boost Voc of pure sulfide kesterite solar cell via a double CZTS layer stacks