PDF(1050 KB)
Reasonable Alternate Distance of Combined Mining Face of Close-distance Seams at Xinzhi Coal Mine
YANG Yanguo;WANG Chunlong;HUANG Xu
Science & Technology Review ›› 2013, Vol. 31 ›› Issue (30) : 39-43.
PDF(1050 KB)
PDF(1050 KB)
Reasonable Alternate Distance of Combined Mining Face of Close-distance Seams at Xinzhi Coal Mine
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