Investigations of pollution load of 4 surface runoffs have been conducted, and compared with total non-point pollution load in Shanghai suburbs on the basis of pollution sources assessment.
该文对上海市郊的4种地表径流进行了调查，并在污染源评价的基础上与市郊非点源污染总量进行了比较。
It has provided a new way to prevent dust pollution problem at some fixed dust sources such as in main pass, underground crushing chamber and on surface.
该项研究为防止矿山井下主溜井、破碎硐室等以及地表产尘量较大的固定尘源污染问题提供了新途径。
The shortage of urban water resources and the pollution of surface drinking water sources have been world wide problems which received much attention from all society.
城市水资源短缺和地表饮用水源污染已成为全球范围的重大问题和人类社会共同关注的焦点。
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