On the base of the overviews of pre-mining environmental evaluation, the author elucidates relations between the pre-evaluation of coal mining environment and prior environmental cost controlling.
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最后,以开采沉陷对环境影响的评价为例,对开采沉陷对环境的影响、开采沉陷环境影响评价步骤与程序进行了概述,以及开采沉陷的分项评价。
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