bascule leaf
短语词组
- bascule leaf west bank 上开桥扇
- single leaf bascule bridge 单扇上开桥
- double -leaf bascule bridge 双叶竖旋桥
- leaf bascule bridge 双叶竖旋桥;单叶竖旋桥
- twin -leaf bascule bridge 双翼衡重式仰开桥
- single -leaf bascule bridge 单叶竖旋桥
- leaf of bascule bridge 竖旋桥桥翼 返回 bascule leaf