With mining depth increase the country rock stability has also a change.
随着开采深度的增加，深井巷道围岩的稳定性也发生了变化。
The mining depth of this deposit is great and its underground pressure activities are Strong.
矿床开采深度较大，地压活动更为强烈；
Mine 3D information has an in-depth data mining.
对矿山三维空间信息进行深入挖掘。
Mine 3D information has an in-depth data mining.
对矿山三维空间信息进行深入挖掘。
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