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Fall from upper deck into lower deck.
从上层舱跌落到底舱。
youdao
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The cellar deck is the lower deck on a semisubmersible drilling platform with two decks.
在具有两层甲板的半潜式钻井平台上，它是下甲板。
youdao
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The cellar deck is the lower deck on a semisubmersible drilling platform with two decks.
在具有两层甲板的半潜式钻井平台上，它是下甲板。
youdao