经济有效地控制氨氮废水污染是当前面临的重大课题。
Economical and effective control of pollution by ammonia-nitrogen waste water is a vital problem currently.
最后，简要介绍了排放废水污染的控制与恢复。
Finally the control and recovery for the discharge of waste water pollution is introduced.
这些参数也有助于有效控制废水处理。
These parameters also serve to control the effectiveness of the waste water treatment.
本文简单介绍这一废水处理系统的基本情况，运行效果及控制要点。
This article introduces this wastewater treatment system and its running effect and controlling key points.
本文简单介绍这一废水处理系统的基本情况，运行效果及控制要点。
This article introduces this wastewater treatment system and its running effect and controlling key points.
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