PDF(1179 KB)
Research on Evolution Rules of Coal Seam Floor Crack under Mining Stress Effect
Gao Zhaoning,Meng Xiangrui,Zheng Zhiwei
Chinese Journal of Underground Space and Engineering ›› 2016, Vol. 12 ›› Issue (1) : 90-95.
PDF(1179 KB)
PDF(1179 KB)
Research on Evolution Rules of Coal Seam Floor Crack under Mining Stress Effect
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