This paper first discuss the basic features of the sludge containing the efficiency of water , waste , oil and other substances.
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。
The electric air floatation is a new oil-containing waste water treatment technology.
电气浮处理技术是一种新型的油田污水处理工艺。
The electric air floatation is a new oil-containing waste water treatment technology.
电气浮处理技术是一种新型的油田污水处理工艺。
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