built up propeller

船舶专业词典.xls ... 916 组合活塞 built-up piston 917 组合螺桨 built up propeller 918 组立型钢 built-up section ...

航海及海运专业英语词汇(B6) ... built up piston 组合活塞 built up propeller 组合螺旋桨 built up rotor 套装转子 ...

Bird Hatch Certificate Template ... 组合桅 built mast 组合式螺桨 built up propeller 组合螺桨 built up propeller ...