Coal mine environment geological calamity are originates of coal mine environment problems.
煤矿环境地质灾害是煤矿区环境问题的主要发生源。
Mine environmental geo-technology problems are the hot and focus of environment governing in China.
矿山环境岩土工程问题是我国环境治理的一个重点和热点问题。
The utilization of mine water is put forward based upon the solution to serious lack of water in mining areas & mine water polluting environment, two difficult problems that trouble coal mining.
矿井水资源化是在解决煤炭产区严重缺水和矿井水污染环境这两个困扰煤炭行业的难题的基础上提出的。
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