... area source of water pollution 水污染面源 area-source of pollution 面污染源 source area of water 岩溶陷落柱 ...
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The domestic sewage discharge is the important source of non-point pollution in rural area.
农村生活污水是农村面源污染的重要来源。
The important reason of causing our country source of water supplying insufficient and national water environment pollution in some area is low water efficiency and large sewage emission.
造成我国部分地区水源供给不足和全国水环境普遍污染的重要原因是用水效率低和污水排放量大。
By investigating the atmospheric pollution source in Yanzhou mine area, this paper analyzes the status of treatment, Control technology and effectiveness on coal smoke pollution.
本文通过对兖州矿区大气污染源的调查，分析了矿区煤烟型污染的治理现状、控制技术和效果及存在的问题。
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