本文首先研究含油污泥的基本性质，包括含水率、含渣量、含油量以及其它物质含量等。

This paper first discuss the basic features of the sludge containing the efficiency of water , waste , oil and other substances.

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用于提升回流污泥或带渣质废水，能起到轴流泵所不及的作用。

For promotion of sludge or slag backflow qualitative wastewater, can play the role that less reliable.

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