Inspecting fitting accuracy of hatchcoaming on board.
货舱口围板船上安装精度检查。
2
The frame number marks, made of steel plate shall be welded and painted on the hatchcoaming and bulwark at the place of every 10 frame-space and at every bulkhead.
每隔10档肋位和每一舱壁处要用钢板割的肋位标记焊接到舱口围和舷墙上。
3
Inspecting welding seam of hatchcoaming after welding.