ISSN 2096-4498

   CN 44-1745/U

二维码
Discussion on Tunneling Ventilation Management
LI Yongsheng
Tunnel Construction . 2015, (7): 709 -715 .  DOI: 10.3973/j.issn.1672-741X.2015.07.015

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