ISSN 2096-4498
CN 44-1745/U
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中文
Construction Technology of Roof Lifting Using Portal Frame Method of
Auxiliary Tunnel Entering Main Tunnel in Soft Stratum
ZHANG Hongda
Tunnel Construction . 2021, (
12
): 2150 -2156 . DOI: 10.3973/j.issn.2096-4498.2021.12.016
