coal-mining areas

基本解释

The research result has a definite guidance to the "three-below" coal mining in the thick-alluvium mining areas.
研究成果对于厚冲积矿区“三下”压煤开采具有一定的指导意义。
This paper explains the forms of geological disasters due to mining and its influences on eco-environment of the coal mining areas, and bring forward the controlling measures.
对由于采矿而引起的地质灾害的表现形式以及对矿区生态环境的影响作了详细阐述，并提出了相应的治理措施。
There are many more common people than there are miners in the mining areas; the coal- mining population must be a huge figure in China.
在矿区矿民的数量远远多于矿工，那么全中国的矿民总数加起来将是一个庞大的数字。

In the cities, and in former-coal mining areas, the party is all but invisible.
ECONOMIST: The north of England: The great divide The