ISSN 2096-4498

   CN 44-1745/U

二维码
Development of Shield Tail Gap Measurement System Based on Ultra-sonic Distance Measurement Technology
LU Yati, LI Guang
Tunnel Construction . 2019, (S2): 135 -140 .  DOI: 10.3973/j.issn.2096-4498.2019.S2.017