The interaction between soft-weak Surrounding Rock and initial support of deep buried tunnels has become one of the most important subjects in underground engineering research.
深埋隧道软弱围岩与初期支护的相互作用是地下工程研究的重要课题之一。
Construction of various urban underground engineering, deep-buried tube work, large span highway (railway) tunnel are greatly improving tunnel construction technology.
一系列的城市地下工程、深埋管道工程、大跨度公(铁)路隧道的修建，大大促进了隧道施工技术的进步。
Construction of various urban underground engineering, deep-buried tube work, large span highway (railway) tunnel are greatly improving tunnel construction technology.
一系列的城市地下工程、深埋管道工程、大跨度公(铁)路隧道的修建，大大促进了隧道施工技术的进步。
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