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截至2006年12月22日哈萨克斯坦南哈州合资公司所属的阿克达拉铀矿全年共计开采出1 000t铀矿石,这是世界上首次使用地下井浸析方式开采出如此大量的
As of December 22, 2006, the Aqdala uranium mine belonging to the Kazakhstan-Nhaha joint venture had a total of 1 000 tons of uranium ore mined. This is the first time in the world that a large number of underground well leaching methods have been used to extract such uranium ore.