ISSN 2096-4498

   CN 44-1745/U

二维码
New Trends of Shallowcover Mining Method
GUO Weishe
Tunnel Construction . 2012, (6): 757 -762 .  DOI: 10.3973/j.issn.1672-741X.2012.06.001

Support by Beijing Magtech Co.ltd support@magtech.com.cn