• This paper suggests a new method of treating sewage in oil production, discusses several factors influencing dissolved—gas flotation.

    本文介绍用气——过滤处理采油污水试验情况。

    youdao

  • This paper suggests a new method of treating sewage in oil production, discusses several factors influencing dissolved—gas flotation.

    本文介绍用气——过滤处理采油污水试验情况。

    youdao

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