crane girder
短语词组
- crane runway girder 起重機行車大梁
- crane runaway girder 起重機脫軌護板
- crane e girder 起重機行車大梁
- crane main girder 起重機主梁
- monorail crane -girder 單軌吊車梁
- crane -girder 吊車梁
- welded steel crane -girder 銲接鋼吊車梁
- prestressed concrete crane girder 預應力混凝土吊車梁
- overhead crane girder 橋式吊車梁 返回 crane girder