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Chief Officer: Main deck and upper deck.
大副：主甲板和上层甲板。
youdao
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The main hull girder to consist of upper deck, topside tanks, hopper tanks and double bottom.
主船体梁由上甲板，顶边舱，斜边舱和双层底组成。
youdao
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The upper deck is called main deck.
上甲板称为主甲板。
youdao
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The upper deck is called main deck.
上甲板称为主甲板。
youdao