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系统介绍了玉石洼铁矿用无底柱分段崩落法开采缓倾斜中厚矿体的理论依据及其实施效果,并据此讨论了无底柱分段崩落法低贫损开采模式。
This paper systematically introduces the theoretical basis and implementation effect of the moderately inclined orebody with bottomless pillar caving mining method in Jushiwa iron mine and discusses the low-loss mining mode of sub-cavern sub-caving method.