Battery grabbing and positioning method, positioning device and battery replacement equipment
Brake pedal idle stroke adjusting device and automobile
Cable transfer mechanism for communication engineering
Coaxial type Mars helicopter and locking and releasing device
Combined system of high-speed rail air conditioner and high-speed rail seat
Convenient-to-use hooking and unhooking hook for hoist crane
Crane with three-dimensional space moving performance
Downhole vehicle single-station orientation determination method based on accurate positioning
Electromagnetic-driven attitude-adjusting coaxial Mars aircraft
Electromagnetic variable-pitch rotor blade variable-pitch characteristic measuring device