hydraulic dredge

基本解释

There are significant difference of soil compaction among the land reclaimed by use of hydraulic dredge pump, the land reclaimed by use of towed scraper and the un-reclaimed land.
铲运机复垦地的压实度在垂直方向上无明显差异。泥浆泵、铲运机工艺与未复垦田块的土壤压实度差异显著。
The technique of reclaiming disturbed lands by use of a hydraulic dredge pump, called"digging deep to fill shallow", has been used in the treatment of subsidence areas incoal mines.
用泥浆泵挖深垫浅的复田方法已在我国煤矿沉陷区治理中得到应用，但迄今为止尚未对这一技术进行深入研究。
There are many hydraulic fill projects on the overbank flood plain near river and sea. These projects not only utilize shallows-tidal-flat area but also benefit to dredge the waterways.
在江海近岸滩地上筑堰吹填粉细砂来造地，既开发了滩涂，又疏浚了航道，还具有成本低的优点。