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。
The hydraulic system is a guarantee for the various functions of a dredge.
采砂船液压系统是采砂船各项功能顺利实现的保证。
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。
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。
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