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Keyword [Supporting timing]
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1. Research On Influence Of Bolt Supporting Timing And Preloading Force On Surrounding Rock Stability Based On Displacement Gradient
2. Study On Convergence Observation And Supporting Timing On Qinling Tumnel In Tbm Construction Section At The Northern Mountain Of Hanjiang-Weihe Water Diversion Project
3. Study On The Reasonable Supporting Time And Segment Joint Optimization Of Tunnel Pre-cutting Method
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