Adjustable swing arm assembly and camber angle adjusting method thereof
Integrated equipment for repairing hose by in-situ curing method
Underwater bionic power propulsion device based on magnetic field
Large-drift-diameter pipeline medicament adding structure and ship pipeline system
Intelligent elevator riding system with face recognition and controlling method thereof
ZnO/ZnSe type II core–shell nanowire array solar cell
Automatic driving range-extending type ballast moving robot