pontoon bridge
短语词组
- pontoon n bridge 舟桥
- amphibious pontoon bridge 自行舟桥
- railway pontoon bridge equipment 铁路舟桥器材
- pontoon bridge equipment 舟桥器材
- pontoon bridge horizontal closure 浮桥平堵截流
- floating pontoon bridge 浮箱桥
- ribbon pontoon bridge 带式舟桥 返回 pontoon bridge