PDF(120 KB)
Control of the Stability of Drift of Non-pillar Sublevel Stoping in Gangli Iron Mine
LIU Xin-qiang
Mining and Metallurgical Engineering ›› 2004, Vol. 24 ›› Issue (6) : 18-20.
PDF(120 KB)
PDF(120 KB)
Control of the Stability of Drift of Non-pillar Sublevel Stoping in Gangli Iron Mine
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