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怀特豪斯(Whitchorse)铜业有限公司从育空(Yukon)地区怀特豪斯郊区的地下铜矿每天采选2,400吨矿石。这个较小的北部矿山将是加拿大首批使用垂直漏斗爆破后退式采矿法的矿山之一。该矿也使用了一些世界上最大的浮选机,在研磨设备的使用方
Whitchorse Copper Ltd. picks 2,400 tons of ore daily from the underground copper mine on the outskirts of White House in the Yukon area. This smaller northern mine will be one of the first mines in Canada to use the vertical funnel blasting retractable mining method. The mine also uses some of the largest flotation machines in the world for use on grinding equipment