ISSN 2096-4498

   CN 44-1745/U

二维码
Application of and Economical Analysis on Tunnel Excavation by Hydraulic Rock Drilling Jumbos
WEI Zhihong
Tunnel Construction . 2012, (4): 454 -458 .  DOI: 10.3973/j.issn.1672-741X.2012.04.004