drag suction dredge

例句：

1. 1. Thedrag suction dredge was used toclean the riverbed.
   拖吸式挖泥船被用来清理河床。
2. 2. Thedredger is a versatile tool thatcan be used for various tasks.
   挖泥船是一种多功能的工具，可以用于各种任务。
3. 3. The drag suction dredge wasable to remove all the sediment from theriver.
   拖吸式挖泥船能够从河流中清除所有的沉积物。