PDF(2989 KB)
Study on Asymmetrical Bolting Support of Retreating Entry in Large Dip Coal Seam and It’s Practice
Yang Ke, Xie Guangxiang
Chinese Journal of Underground Space and Engineering ›› 2013, Vol. 9 ›› Issue (4) : 924-927.
PDF(2989 KB)
PDF(2989 KB)
Study on Asymmetrical Bolting Support of Retreating Entry in Large Dip Coal Seam and It’s Practice
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