PDF(1452 KB)
Analysis on the Reasonable Protection Coal Pillar Width in 8.5 m Large Mining Height Workface Recovery Roadway
Di Shuai
Chinese Journal of Underground Space and Engineering ›› 2019, Vol. 15 ›› Issue (2) : 614-621.
PDF(1452 KB)
PDF(1452 KB)
Analysis on the Reasonable Protection Coal Pillar Width in 8.5 m Large Mining Height Workface Recovery Roadway
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