PDF(114 KB)
Model of Space-layer about Rock and Surface Subsidence
WU Jian-jun, HE Jian-qing, MEI Song-hua, CHEN Jie-rui
Mining and Metallurgical Engineering ›› 2001, Vol. 21 ›› Issue (4) : 13-15.
PDF(114 KB)
PDF(114 KB)
Model of Space-layer about Rock and Surface Subsidence
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