It is proved that this safe,effecstive method is suited for mining under the conditions of unstable ruck and ore body.

 
  • 实践证明,该采矿工艺具有安全、高效、贫化损失小和技术先进的特点,适用于矿岩结构极不稳固的顶板复杂矿体的回采。
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