In the constitution of energy consumption in our country, coal is the main energy, air pollution is a serious environment problem caused by coal mining and use.
我国的能源消费构成中，主要是以燃煤为主，在煤炭开发和使用中所带来的环境问题，以大气污染最为严重。
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 problem of solid pollution in cities is going to become into one of the main elements following the spread of cities, the improvement of industry and the improvement of life standard.
城市中的固体废物污染问题伴随着城市的扩展、工业化进程和市民生活水平不断提高而逐步成为危害环境的主要因素之一。
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