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第六章石棉矿床的地下开采潘先佐（四川精维电解材料厂）怎样把埋藏在地下深部的石棉矿石开采出来呢？必须根据矿体的厚薄认真地研究各种有效的采矿方法，以便从地表开掘各种通道到达矿体，作好采矿准备和进行回采矿石的工作。然后将采出的矿石运回地面进行选矿加工。过去...
Chapter 6 Underground Mining of Asbestos Deposit Pan Xianzuo (Sichuan Jingwei Electrolysis Material Factory) How to mine the asbestos ore buried in the deep underground? Various effective mining methods must be carefully studied according to the thickness of the ore body in order to dig various channels from the surface to reach the ore body, make preparations for mining, and work on the recovery of ore. The recovered ore is then transported back to the ground for beneficiation processing. past...