英语词汇“vertical center keelson”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	vertical center keelson
释义	vertical center keelson vertical center keelson [′vərd·ə·kəl ′sen·tər ′kēl·sən] (naval architecture) The lower middle line girder, which, in conjunction with a flat plate keel on the bottom and a rider plate on top, forms the principal fore-and-aft strength member in the bottom of a ship.
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