... cargo hatch pontoon cover 箱形货舱口盖 cargo hatch cover 货舱盖 cargo hatch cover outside 舱口盖外表面 ...
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短语
箱形货舱口盖
cargo hatch pontoon cover
货舱口盖装配检验
[船]
inspection of hatch cover installation
货舱舱口盖启闭试验
Opening and closing test for cargo hatch cover
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cargo hatchcover
hatchcover
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