Multifunctional operation platform device and using method thereof
VERFAHREN ZUR KONSTRUKTION UND/ODER FERTIGUNG EINES WASSERSPORTGERÄTS
VERFAHREN ZUR KONSTRUKTION UND/ODER FERTIGUNG EINES WASSERSPORTGERÄTS
Fluid conveying pipeline for connecting two large oil tankers
SYSTEM FOR MOVING CENTER OF GRAVITY ABOUT MARINE WASTE CLEANING SHIP
Ship structure side buoyancy tank and side buoyancy tank mounting method