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一前言釜石矿山作为铁矿已有悠久的历史,自1951年时发现了铜矿床后,即开始对其开发,随后对铜铁混合矿也相继进行开发。目前,该
Preface Kamaishi Mine has a long history as an iron ore mine. Since it was discovered in 1951, the Kamaishi Mine started its development and was subsequently developed for copper and iron mixed mines. Currently, that