• It is of directive signification for choose roadway support forms of deep mining and support parameters for Xinwen coal mine area.

    新汶矿区深部支护形式支护参数选择具有一定的指导意义

    youdao

  • The practical engineering shows that the roadway shape and the support parameters introduced in the paper can fulfill the requirement of production and safety.

    现场实践表明本文确定巷道形状支护参数满足生产安全需要,对类似条件下巷道有一定的推广应用价值。

    youdao

  • It is of directive signification for choose roadway support forms of deep mining and support parameters for Xinw...

    新汶矿区深部煤支护形式支护参数选择具有一定的指导意义

    youdao

  • It is of directive signification for choose roadway support forms of deep mining and support parameters for Xinw...

    新汶矿区深部煤支护形式支护参数选择具有一定的指导意义

    youdao

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