seagoing dredger

例句：

1. 1.The seagoing dredger was used to clean the harbor.
   远洋挖泥船被用来清理港口。
2. 2. The seagoing dredger is essential for maintaining the navigational safety of ships.
   远洋挖泥船对于确保船只航行安全至关重要。
3. 3.The seagoing dredger has been used in many parts of the world to help maintain the water quality.
   远洋挖泥船被广泛用于世界各地的水域，以帮助维护水质。