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
Vehicle control method and device, controller and storage medium
Retractable floating fence marine litter recovery device
Hanging claw structure device for kerb transportation
Electric vehicle battery replacement guiding system and method
Collision protection method for vehicle back door and related device
Large vehicle monitoring device with threat target early warning function
Offshore wind turbine jacket underwater grouting monitoring device
Tower crane ladder stand device and using method and mounting method thereof