中: hit; fit exactly竖: vertical; upright; perpendic ...龙骨: a bird's sternum fossil frag ...中竖龙骨中心披水板: center keel中竖龙骨中央披水板: center keel竖龙骨: center keelson; centre keel; vertical keel竖龙骨,直立龙骨: vertical keel连续竖龙骨: continuous longitudinal center girder竖龙骨板: center through plate; vertical keel plate竖龙骨高: height of vertical keel竖龙骨脊材: keel batten中内竖龙骨中间竖龙骨: centerline vertical keel竖龙骨两侧加强材: keel slab龙骨: 1.(鸟类的胸骨) a bird's sternum2.[中药] fossil fragments3.(船只、飞机、建筑物等的支撑和承重结构) keel◇龙骨板 keel plate; 龙骨底板 shoe; 龙骨木 rising wood; 龙骨线 keel-line; 龙骨线脚 [建筑] keel molding; 龙骨翼板 garboard; garboard strake桁架中竖杆: broach post假龙骨 龙骨板: falsekeel棒龙骨，方龙骨，矩形龙骨: bar keel龙骨护板,伪龙骨,假龙骨: false keel（船舶）龙骨: keel安龙骨: lay down a keel ie start building a ship帮龙骨: hog piece; rabbet plank棒龙骨: bar keel边龙骨: side keel侧龙骨: anti-rolling chock翅龙骨: wing-keel
