10 watertight doors on main deck to be removed,repaired,refitted and watertight tested as follows.
10 watertight doors on main deck to be removed,repaired,refitted and watertight tested as follows.
10只主甲板水密门拆下，修后装复并水密试验。
10 watertight doors on main deck to be removed,repaired,refitted and watertight tested as follows.
10只主甲板水密门拆下，修后装复并水密试验。