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Construction system and construction method for small-section ultra-long water delivery tunnel in hard rock stratum
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Adverse slope drainage structure suitable for construction of large steep slope tunnel with small section
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Drilling pile drilling while-drilling device suitable for judging boundary depth of upper-soil lower-rock stratum
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Drilling pile while-drilling stratum parameter measuring sleeve for judging boundary zone of soil-rock stratum
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Novel pore pressure meter
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Reinforced steel column and ECC concrete combined joint and construction method thereof
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Automatic insulation detection system for steel bar net pieces of CRTS III type ballastless track plate
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Road surface flatness detection method and system
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Construction method for irregular waveform pavement of test yard
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A kind of III type fragment-free track slab plate field feeding system of CRTS
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A kind of III modular curing system of type fragment-free track slab of CRTS
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A kind of high speed circuit Mike Connell curve matching calculation method and system
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A kind of construction speed monitoring and early warning method and system
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A kind of construction safety monitoring and early warning method and system
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