Low-alloy-steel-based automobile longitudinal beam convenient to install
Bridge crane bridge structure defect dynamic detection and identification method
Ship-rocket integrated sky-ground round-trip freight aircraft and flight control method
Automatic car washer adopting photoelectric sensing technology
Displacement adjustment device, cell holder for UAV (unmanned aerial vehicle) and UAV
Polyimide fiber composite material invisible sandwich structure and manufacturing method thereof
Escalator vibration trend prediction method based on big data
Semi-horse-like robot and arm-foot coordination balance control method thereof