Windscreen wiper downshift protection method based on load identification
Multifunctional track carrier system for polar investigation
Outer wall plate lifting appliance and lifting method thereof
Ground penetrating radar detection device in shallow water area
Lifting appliance conversion device capable of realizing automatic unhooking
Positioning system and method for setting open caisson foundation on deepwater bare rock
Floating assisting structure of offshore steel truss drilling platform
Self-floating type steel truss drilling platform structure and construction method thereof
Floating type steel truss construction platform for complex sea area