Also the starboard bilge sounding pipe of No. 1 cargo hold was corroded at the thread section and the closing cap was missing.

1号货舱的右污水井测深管的螺纹部分也被腐蚀而且管口盖遗失。

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Tightness test (opening and closing test, emergency opening and closing test) for cargo hatch cover.

货舱舱口盖密性试验(启闭试验、应急启闭试验)。

youdao

Tightness test (opening and closing test, emergency opening and closing test) for cargo hatch cover.

货舱舱口盖密性试验(启闭试验、应急启闭试验)。

youdao