• School of material science and engineering, Jinchuan company. Ground pressure activity disciplinarian and control method on the bad position of roadway at No. 2 mine, 1983.

    北京科技大学,金川公司。金川矿区不良岩层巷道地压活动规律控制方法研究。

    youdao

  • School of material science and engineering, Jinchuan company. Ground pressure activity disciplinarian and control method on the bad position of roadway at No. 2 mine, 1983.

    北京科技大学,金川公司。金川矿区不良岩层巷道地压活动规律控制方法研究。

    youdao

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