Unmanned ship for tracking and collecting floating oil on water surface
Intelligent urban desilting and solidifying system and method
Water surface trash cleaning ship for environment management
PREFABRICATED DEVICE, GATE SLOT MEMBER, HOISTING DEVICE AND GATE SLOT CONSTRUCTION METHOD
Pesticide adding device for unmanned aerial vehicle pesticide box
Vehicle control method and device, controller and storage medium
Underwater dry cabin wellhead pipeline cabin-penetrating sealing structure
Retractable floating fence marine litter recovery device
High-precision excess material detection device of plant protection unmanned aerial vehicle