cutter dredge

例句：

1. 1. The cutter dredge was used to clean the riverbed.
   用切刀挖泥船清理河床。
2. 2. The dredger was essential for removing the silt from the harbor.
   挖泥船对于从港口清除泥沙至关重要。
3. 3. The cutter dredge was used to remove the debris from the floodwaters.
   切刀挖泥船被用来清除洪水中的杂物。