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根据国家科委1982年批准的赴西班牙考察VCR(垂直深孔漏斗爆破后退式)采矿法和在不稳固矿岩中使用长锚索加固的计划,以金川有色金属公司谭宝林副经理为组长的五人考察小组于1983年1月12日至1月31日,在西班牙考察了Riotnto铜矿、Rublale铅锌矿、Almaden汞矿和Agru—mensa铁矿等四个矿山。详尽地考察了四
According to the plan approved by the State Science and Technology Commission to visit Spain in 1982 for VCR (Vertical Deep Hole Funnel Blasting) and the use of long anchor reinforcement in unstable rock, the deputy manager of Jinchuan Nonferrous Metals Company, Tan Baolin Of the expedition visited four mines, including the Riotnto copper mine, the Rublale lead-zinc mine, the Almaden mercury mine and the Agru-mensa iron mine in Spain from January 12 to January 31, Examine four in detail