采矿回采率低，资源浪费较严重；
The rate of mining recovery was low, and the resource was wasted seriously.
为回采方案的实施打下了良好的基础。
It will lay the better foundation for practice of extraction plan.
这一技术叫矿柱回采。
工作面回采结束后，采用下行拆除的方法进行搬面。
After finishing the face mining, the down dismantling method is applied for face move.
矿石回采率大幅提高，由原来的65%提升到79%。
对类似开采条件矿山的矿柱回采具有一定的借鉴意义。
It can give a certain reference for exploiting to the mine with similar mining conditions.
对类似开采条件矿山的矿柱回采具有一定的借鉴意义。
It can give a certain reference for exploiting to the mine with similar mining conditions.
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