PDF(3406 KB)
Comprehensive Efficiency Models of Coal Mining and Its Applicntion
LU Xiaoqing, ZHAO Guohao
Resources Science ›› 2011, Vol. 33 ›› Issue (10) : 1924-1931.
PDF(3406 KB)
PDF(3406 KB)
Comprehensive Efficiency Models of Coal Mining and Its Applicntion
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