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This paper discusses the destruction of coal development to mine environment and its treatment countermeasure.
探讨了煤炭开发对矿山环境的破坏与治理问题。
youdao
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This paper discusses the destruction of coal development to mine environment and its treatment countermeasure.
探讨了煤炭开发对矿山环境的破坏与治理问题。
youdao