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Concrete placement construction prevents discrete device
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Vibration drainage device for concrete pouring
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Automatic construction equipment that digs of deep basal pit
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Generator stator machine pit construction center positioning device and positioning detection method thereof
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Permeable pavement capable of recovering water permeability
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Self-cleaning heat exchanger and control method thereof
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Large-diameter vertical cavity excavation method
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Underground is positioner for cavern
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Device and method for measuring on-site demoulding strength of slip form concrete
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Dredging and detection integrated device and dredging method
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Hidden culvert dredging device and method
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Tunnel construction illumination intelligent system
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Excavation construction method for rock anchor beam of underground workshop in weak broken rock area
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Excavation construction method for top arch layer of large underground cavern
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Precise excavation method for gentle slope inclined shaft
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Tongue-and-groove type large-diameter precast concrete pipe joint installation equipment and construction process
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Simple and easy quick processingequipment of detachable W type stagnant water copper sheet
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Long-distance small-caliber slurry-balanced pipe jacking grouting resistance reduction construction method
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Automatic dust-settling and spraying control system for tunnel and control method thereof
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Tunnel fan intelligent control system and control method
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