Ore Drawing Test of Non-pillar Sublevel Caving Method under Different Cut-off Grades in an Iron Mine in Western Panzhihua

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Ore Drawing Test of Non-pillar Sublevel Caving Method under Different Cut-off Grades in an Iron Mine in Western Panzhihua

YAO Qiuping DONG Qiuping PENG Shouxing CHEN Shulin YANG Chengye LI Jielin

Modern Mining . 2026, (01): 72 -76 .