... 年序堆积层 diachronous 镍矿床 nickel ore deposit 镍铁陨石 ataxite ...
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Nickel-copper ore deposit 镍铜矿床
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The ore structure of Daling Mine is complex in Jilin Nickel Industry Corporation, it is typical low grade difficulty mining deposit.
吉林镍业公司大岭矿矿岩结构复杂,为典型的低品位难采矿床。
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