n.挖泥船,撒粉器
The slurry pump is one of the key facilities of a dredger.
泥泵是水力输送式挖泥船的关键设备.
The dredger spooned up mud.
挖泥船把泥挖起来.
Back of the breakwater the dredger was working.
在防波堤后面挖泥船正在工作.