ISSN 2096-4498

   CN 44-1745/U

二维码
Mixing Proportion of and Key Construction Technologies for Extruded Concrete Lining of Utility Tunnels
LI Wenjun
Tunnel Construction . 2014, (2): 111 -117 .  DOI: 10.3973/j.issn.1672-741X.2014.02.004