An improvement of mining method was carried out in Miaoling Gold Mine according to the change of mining conditions.

庙岭金矿针对矿体开采条件的变化，适时对采矿方法进行了改进。

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This analysis method considers both the dynamic change of underground mining conditions and the easyness of the underground ventilation management.

这种方法既考虑了井下生产条件的动态变化，又考虑到井下通风管理的难易。

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This analysis method considers both the dynamic change of underground mining conditions and the easyness of the underground ventilation management.

这种方法既考虑了井下生产条件的动态变化，又考虑到井下通风管理的难易。

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