单词 | 下桅 |
释义 | 〔crosstree〕One of the two horizontal crosspieces at the upper ends of the lower masts in fore-and-aft-rigged vessels, serving to spread the shrouds.桅顶横杆:纵帆船只中位于下桅顶部的两根水平交叉的木杆之一,用来张开桅的左右支索〔topmast〕The mast below the topgallant mast in a square-rigged ship and highest in a fore-and-aft-rigged ship.中桅:在纵帆装船的紧挨下桅上头的中桅,而在横帆装船上则指在上桅之上的桅 |
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