PDF(2449 KB)
Optimization of Undercut Blasting for Recovering Crown and Sill Pillar in Underground Mine
ZHANG Shi-an, SHI Xiu-zhi, HUO Xiao-feng, QIU Xian-yang
Mining and Metallurgical Engineering ›› 2021, Vol. 41 ›› Issue (5) : 22-26.
PDF(2449 KB)
PDF(2449 KB)
Optimization of Undercut Blasting for Recovering Crown and Sill Pillar in Underground Mine
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