High-reliability steel wire rope and steel strand traction device and method
Front bumper blind area detection controller support and use method thereof
Forklift portal frame buffering structure and forklift with same
Unmanned aerial vehicle and unmanned aerial vehicle three-dimensional route design method
Displacement adjustment device, cell holder for UAV (unmanned aerial vehicle) and UAV
Low-alloy-steel-based automobile longitudinal beam convenient to install
Distributed multiple-anodes benthic microbial fuel cell as reliable power source for subsea sensors
Lightweight automobile thrust rod and preparation process thereof
Polyimide fiber composite material invisible sandwich structure and manufacturing method thereof