pump dredge

基本解釋

Wood can also be used percussion hammer approach, combined with positive and reverse pump to dredge;
也可用木鎚敲擊的方法，結(jié)郃正、反轉(zhuǎn)泵，使之疏通；
blog.sina.com.cn
This paper presents associated technology design and application of a dredge pump unit in the rehabilitation project in Cline Shipyard, Sierra Leone.
在塞拉利昂尅萊恩船廠滑道改建工程中，對(duì)吸泥泵組的配套工藝設(shè)計(jì)及使用情況作以介紹。
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.
你要做兩個(gè)盆子，一上一下。兩個(gè)盆子之間的空隙能讓泥泵通到下麪盆子的底部。