This paper introduced the applocation of the open stope method of blast transport with artificial pillars in the mining of inclined and extra-narrow gold vein, and made an evaluation of that method.

 
  • 本文論述人工柱爆力運搬空場(chǎng)采礦法在傾斜極薄金礦脈的應用,并對該法進(jìn)行評價(jià)。
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