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
Analysis of Bearing Capacity of Circular Concrete Filled CFRP-Steel Tubular Beam-Column
Retractable floating fence marine litter recovery device
Hanging claw structure device for kerb transportation
Electric vehicle battery replacement guiding system and method
Tower crane ladder stand device and using method and mounting method thereof