Based on surface water quality data, this paper objectively analyzed the pollution status of Longdong River. And the control measures were put forward in accordance with pollution characteristics.
依据龙洞河地表水质监测数据，客观分析了龙洞河水质污染现状、主要污染物。根据污染特征，提出了相应的防治措施。
The water quality of Tanglangchuan is analyzed, based on which, the characteristics of water pollution and the main reasons are concluded. Some pollution control measures are pointed out.
通过对螳螂川水质状况的分析，总结了水污染特征及主要污染原因，提出了污染治理对策。
The change law, pollution characteristics and causes of formation are discussed on the basis of synthetic evaluation of water quality situation over the years in Yining city section.
在对伊犁河伊宁市段历年水质状况进行综合评价的基础上，探讨了城市河段水质的变化规律、污染特征和成因。
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