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A kind of hinged structures suitable for prefabricated concrete structure
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A kind of adjustable cut-off for freely distributing men's lavatory and women's lavatory space size toilet
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A kind of steel box-girder splice plate more changing device
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A kind of buckle-type locating connector of bridge structure
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A kind of Treatment of Sludge heat-exchange system
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A kind of drinking water algae-removing technology
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Shield side original tunneling construction method and structure combined with subsurface excavated construction of original well and hoisting well
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Bridge deck drainage supporting facility
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Scraper bucket mechanism for telescopic arm type grille cleaner
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Method and device for obtaining travel mileages based on vehicle diagnosis system and integrated data compensation algorithm
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A kind of intersection Turning movement distribution method based on recursion control step by step and device
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A kind of network of highways characteristic analysis method based on cross classification and device
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High-molecular self-adhesive film waterproof roll welding and lapping structure and construction method
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Post-mounted replaceable active-pressure sealing water stop belt and construction method
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Method and device for acquiring horizontal alignment and vertical alignment of road on basis of vehicle-mounted self-diagnosis system
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Bus route setting reasonability and bus stop efficiency data analysis method
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Water permeable structure performance detecting instrument and method
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Construction method of shallow-buried large-span tunnels
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Efficient biological denitrification method for sewage
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