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铜矿石、镍矿石开采
meaning in English
copper ore and nickel ore mining
Related Words
铜矿
锰铜矿
氯铜矿
黝铜矿
方铜矿
兰铜矿
瓦铜矿
铜矿带
淡铜矿
铋铜矿
铜矿山
铜矿石
铜矿石核焙烧
铜矿尾矿
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