ISSN 2096-4498

   CN 44-1745/U

二维码
Application of Liquid Nitrogen Freezing Technology in Secondary  Watersealing of Working Shaft of Tunnels
WANG Zhenwei, WANG Xingtong
Tunnel Construction . 2012, (4): 576 -580 .  DOI: 10.3973/j.issn.1672-741X.2012.04.026