PDF(889 KB)
The Research of Comprehensive Geophysical Technology in Railway Coal Mine Goaf Exploration
LI Zhi-hua
Journal of Railway Engineering Society ›› 2014, Vol. 31 ›› Issue (10) : 26-31.
PDF(889 KB)
PDF(889 KB)
The Research of Comprehensive Geophysical Technology in Railway Coal Mine Goaf Exploration
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