Terms containing navigation- obstructing

Subject	English	Chinese
tech.	navigation-obstructing bridge	碍航桥梁
tech.	navigation-obstructing dam and lock	碍航闸坝
tech.	navigation-obstructing flow pattern	碍航流态
tech.	navigation-obstructing reef	碍航礁石
tech.	navigation-obstructing river bend	碍航河弯