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。
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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