• 分析水沟煤矿岩巷变形特点提出了相应防治措施,在软岩支护方面取得较好的支护效果和经济效益

    To analyze the deformation characters of soft rock roadway in Fengshuigou Coal Mine, provide corresponding preventive measures and have made good technology economic results.

    youdao

  • 分析水沟煤矿岩巷变形特点提出了相应防治措施,在软岩支护方面取得较好的支护效果和经济效益

    To analyze the deformation characters of soft rock roadway in Fengshuigou Coal Mine, provide corresponding preventive measures and have made good technology economic results.

    youdao

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