ISSN 2096-4498

   CN 44-1745/U

二维码
Subclassification of Tunnel Surrounding Rock in Typical SoilRock Mixture Backfill Area in Chongqing
SONG Shangming
Tunnel Construction . 2019, (6): 919 -924 .  DOI: 10.3973/j.issn.2096-4498.2019.06.003