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
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
B-type cabin containment system and dual-fuel container ship