• It will be a short time for Nanfen open-pit iron mine to mine in the third stage. The mine should be engaged on deep part mining design at once.

    南芬铁矿目前正在进行境界开采服务年限已经不长了,矿山需要马上着手进行下期深部开采设计

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  • Before and after ending of deep open-pit coal mine, geological disasters such as slope sliding and surface deformation probably occur.

    分析研究大型露天煤矿闭坑前后可能发生滑坡地表变形地质灾害

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  • Before and after ending of deep open-pit coal mine, geological disasters such as slope sliding and surface deformation probably occur.

    分析研究大型露天煤矿闭坑前后可能发生滑坡地表变形地质灾害

    youdao

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