System for securing ocean structure and take-up and pay-off method
Thrust-increasing retaining structure for fluid vehicle shell
Tsunami monitoring device and tsunami early warning system
Ultrahigh-pressure water derusting and wall-climbing cleaning equipment for ship
Underwater control excavation system for diversion canal and construction method
Underwater vehicle laying load cabin door opening mechanism
Underwater vehicle test mechanism and method capable of adjusting attitude angle and buoyancy
Water-permeable marking ship body capable of maintaining stability
Water sampling mechanism of automatic water sample collecting device for environmental protection
Yaw correction device for turret mooring yaw-free floating fan set