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Conical shield tunneling machine
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Shield notch slurry suitable for sandy water-rich stratum
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Synchronous grouting slurry applicable to sandy water-rich stratum
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Shield construction muck cleaning machine and using method thereof
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Test method for measuring compressive shear performance and porosity change of lining filling material
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Test method for measuring compression shearing performance of filling material behind tunnel lining wall
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Test device for measuring compressive shear performance and porosity change of lining filling material
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Test device for measuring compression shearing performance of filling material behind tunnel lining wall
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Grouting plugging waterproof shield segment structure and construction method thereof
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Train station multilayer arrival and departure line system and working method thereof
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reinforced construction structure of communication channel between shield tunnels and construction method thereof
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Intelligent sensing system for water stopping performance of underground structure joint rubber sealing gasket
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Intelligent control system for construction of assembled underground structure
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Testing device and testing method for water permeability resistance of high-performance concrete
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