PDF(1295 KB)
Discussion on the Water Resistance of the Broken Main Roof Structure of the Steep Coal Seam with Fully-mechanized Mining
Feng Jinyan, Yu Zhiquan, Guo Zhipei
Chinese Journal of Underground Space and Engineering ›› 2017, Vol. 13 ›› Issue (1) : 242-249.
PDF(1295 KB)
PDF(1295 KB)
Discussion on the Water Resistance of the Broken Main Roof Structure of the Steep Coal Seam with Fully-mechanized Mining
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