pontoon bridge
短语词组
- pontoon n bridge 舟橋
- amphibious pontoon bridge 自行舟橋
- railway pontoon bridge equipment 鉄路舟橋器材
- pontoon bridge equipment 舟橋器材
- pontoon bridge horizontal closure 浮橋平堵截流
- floating pontoon bridge 浮箱橋
- ribbon pontoon bridge 帶式舟橋 返回 pontoon bridge