• 青铜沟汞锑矿为充分开采井下资源,选择采用分段空场嗣后充填采矿法回采550~600m中段部分残矿体

    To fully exploit the resources, Qingtonggou Mercury-antimony Mine adopts the sublevel open stoping with delayed filling to recover the remanent ore-body at the medium stage of 550~600 m.

    youdao

  • 青铜沟汞锑矿为充分开采井下资源,选择采用分段空场嗣后充填采矿法回采550~600m中段部分残矿体

    To fully exploit the resources, Qingtonggou Mercury-antimony Mine adopts the sublevel open stoping with delayed filling to recover the remanent ore-body at the medium stage of 550~600 m.

    youdao

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