Block bilge keel 舟必龙骨垫
bilge block [船] 舭墩 ; 底边枕木 ; 边墩 ; 舭墩木
automatic bilge block 自动定位及举升舭墩
bilge-block runner 舭墩纵支撑
collapsible bilge block 可卸舭龙骨墩
sliding bilge block 机械舭墩
mechanical bilge block 机械舭墩 ; 活动舭墩 ; 机动舭墩
keel-and-bilge block 垫船木块
应用推荐