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Lake bottom karst treatment method for deep-buried shield tunnel
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Water-rich stratum shield underwater receiving method provided with tunnel portal mortar retaining wall
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Small-diameter tunnel inverted arch concrete transport trolley capable of rapidly switching tracks
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Cross blade type buffering concrete chute
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Full-circle double-lining inverted arch construction template system for long-distance tunnel and template transferring method
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Rotary translation lifting trolley for shield machine rear corollary equipment in limited space
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Rock foundation pit guide hole type non-blasting excavation method
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Double-wall steel cofferdam with open edge feet and construction method thereof
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Construction method for sinking double-wall steel cofferdam under deep clay layer condition
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Bidirectional split starting method for small shield in narrow shaft
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