ISSN 2096-4498

   CN 44-1745/U

二维码
Application of Deephole Loosening Blasting Technology in Shield  Tunneling through Longdistance Hard Rocks
ZENG Liang, LI Lu
Tunnel Construction . 2012, (4): 566 -570 .  DOI: 10.3973/j.issn. 1672-741X.2012.04.024