对极破碎薄矿体的开采，采用了将常规的留矿法中分选废石改为分选富矿石留贫矿石的采矿方法。
In mining the extremely fractured thin ore body, the separation of waste rock in the conventional shrinkage stoping was replaced by the separation of the rich ore and retaining the lean ore.
对极破碎薄矿体的开采，采用了将常规的留矿法中分选废石改为分选富矿石留贫矿石的采矿方法。
In mining the extremely fractured thin ore body, the separation of waste rock in the conventional shrinkage stoping was replaced by the separation of the rich ore and retaining the lean ore.
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