• 研究表明,综放沿空留巷受影响时间程度留巷煤柱宽度增加表现出明显滞后现象以及位移压力增长的同步现象。

    The study indicates that with the increase of the coal pillar width the peak mining stress delays its appearance and the increase of the displacement and stress are not synchronous.

    youdao

  • 研究表明,综放沿空留巷受影响时间程度留巷煤柱宽度增加表现出明显滞后现象以及位移压力增长的同步现象。

    The study indicates that with the increase of the coal pillar width the peak mining stress delays its appearance and the increase of the displacement and stress are not synchronous.

    youdao

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