millhole e放矿口
The result indicated that the ore's coefficient of recovery obviously decreased with the widening of the millhole width between centres and the ore's loss ratio obviously increased with the heightening of the height of lift.
数值模拟的结果分析表明随着放矿口中心距的增大,矿石的回收率有明显的减少;随着分段高度的增大,矿石的贫化率有明显的增加。
参考来源 - 老窿残矿开采技术优化研究