英语词汇“ballast tank”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ballast tank
释义	ballast tank ballast tank [′bal·əst ‚taŋk] (naval architecture) One of several tanks in the hold of a ship which may be pumped full of water as ballast. One of the tanks in a submarine that are filled with water or air to submerge or surface.
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