Professor Frances Wall of the Camborne School of Mines said that mining these alternative deposits would "take away the monopoly of current suppliers of these metals".
坎伯恩矿业学院教授弗朗西斯沃尔说，开采这些替代矿藏将“消除目前金属供应的垄断现象”。
Professor Frances Wall of the Camborne School of Mines said that mining these alternative deposits would "take away the monopoly of current suppliers of these metals".
坎伯恩矿业学院教授弗朗西斯沃尔说，开采这些替代矿藏将“消除目前金属供应的垄断现象”。
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