Water body surface layer intelligent cleaning device and method under hydrodynamic condition
Unmanned aerial vehicle autonomous inspection snapshot method
Underwater multipurpose robot propelled by bionic undulating fins
Turnout grinding wagon body structure and grinding wagon
Train ground door linkage control method and device, platform door controller and medium
Tower crane embedded section supporting horse stool system and construction method thereof
Tool for transporting light partition wall and manufacturing method thereof
Strength deformation synchronous detector and detection method