System for securing ocean structure and take-up and pay-off method
Mounting tool for ship pipe joint and using method of mounting tool
Expandable multi-module floating photovoltaic system suitable for open sea
Low-cost large-scale semi-submersible floating type offshore wind turbine
Ship preparation platform and ship preparation method
Underwater control excavation system for diversion canal and construction method
Yaw correction device for turret mooring yaw-free floating fan set
Overwater photovoltaic prefabricated installation method
Underwater vehicle test mechanism and method capable of adjusting attitude angle and buoyancy