n.挖泥船，疏浚船，挖泥机

原形：dredger复数：dredgers

The dredger is removing mud from the riverbed.
这艘挖泥船正在清除河床的淤泥。
They plan to use a mechanical dredger for this project.
他们计划在这项工程中使用机械式挖泥船。
The harbor needs regular maintenance by a dredger.
港口需要定期用挖泥船进行维护。
The old dredger was replaced with a more efficient one.
那艘旧的挖泥船被一艘效率更高的新船取代了。
The dredger's suction pipe can reach depths of up to 50 meters.
挖泥船的吸泥管可以深入到50米深的地方。
The operation of the dredger has caused some environmental concerns.
挖泥船的作业引发了一些环保问题。
The port authority ordered a halt to the dredging due to safety issues.
港务局因安全问题下令暂停疏浚作业。
The dredger's work has significantly deepened the shipping channel.
挖泥船的工作大大加深了航道。
The crew on the dredger worked tirelessly to clear the obstruction.
挖泥船上的人们不知疲倦地工作以清除障碍物。
The cost of hiring a dredger for the cleanup project is estimated at $5 million.
预计清理项目租用挖泥船的成本为500万美元。