pump dredge

基本解释

Wood can also be used percussion hammer approach, combined with positive and reverse pump to dredge;
也可用木锤敲击的方法，结合正、反转泵，使之疏通；
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This paper presents associated technology design and application of a dredge pump unit in the rehabilitation project in Cline Shipyard, Sierra Leone.
在塞拉利昂克莱恩船厂滑道改建工程中，对吸泥泵组的配套工艺设计及使用情况作以介绍。
One would create two basins one on top of the other The space between the two basins would allow a dredge pump to access the bottom of the lower basin.
你要做两个盆子，一上一下。两个盆子之间的空隙能让泥泵通到下面盆子的底部。