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列宁诺戈尔斯克多金属公司是有色冶金企业中率先使用生产废料进行充填的企业之一。里杰尔矿在30年代末便首先取得了利用选厂尾矿充填采空区的设计与试验的经验。但战争妨碍了矿山继续使用这种先进工艺。列宁诺戈尔斯
Leninogorsk Polymetallic is one of the first non-ferrous metallurgical enterprises to use production waste for filling. In the late 1930s, the Liger Mine first gained experience in the design and testing of goaf filling tailings. However, the war prevented the mine from continuing to use this advanced technology. Leninogors