Temporary access openings may be provided on shells, bulkheads, decks, walls, etc. for convenience of works and to be closed in place by welding and inspected.
2
这个槽将有助于线了舱壁时，甲板上是安装到他们。
This groove will help to line up the bulkheads when the deck is installed onto them.
3
适用于内底板、各层甲板、平台板、纵横舱壁、围壁、及平直的外板的拼板。
It is suitable to inner bottom plate, all decks, platform plate , longitudinal and transverse bulkhead, trunk bulkhead and jointed plate of straight shell plate.
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