Journal of Northeastern University(Natural Science)
Ultimate Metal Pit Optimization with Various Wall Slope
XU Xiao-chuan， GU Xiao-wei， WANG Qing， ZHANG Wei-feng
Journal of Northeastern University Natural Science . 2018, (5): 716 -721 .  DOI: 10.12068/j.issn.1005-3026.2018.05.022