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。
The frame number marks, made of steel plate shall be welded and painted on the hatch coaming 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。
The frame number marks, made of steel plate shall be welded and painted on the hatch coaming and bulwark at the place of every 10 frame-space and at every bulkhead.
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