| 释义 |
〔keelson〕A timber or girder fastened above and parallel to the keel of a ship or boat for additional strength.内龙骨:固定在船或舟的龙骨之上或与之平行的木材或桁,以加强船的力量〔sternson〕A bar of metal or wood set between the keelson and the sternpost to fortify the joint. Also called stern knee 艉龙骨肘材:位于内龙骨和艉柱之间的金属板或木板,用于加固接合处 也作 stern knee |