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Shock wave combustion-supporting precombustion chamber structure of gas engine
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Buoyancy demonstration teaching aid and using method thereof
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Adjustable convenient dismantlement formula teaching aid of mechanical drawing
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Piston reciprocating type hydraulic retarder
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Alarm for detecting water coming from embankment
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Device and method for preparing plane grating by femtosecond laser direct writing technology
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Road information enhancement and driving early warning method based on night environment perception
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Mechanical arm telescopic mechanism of intelligent bridge and tunnel detection vehicle
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Sleeper nail puller
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Robust simultaneous stabilization method and system for multi-robot system
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Vehicle-mounted testing device and method for testing thickness and state of ice layer of pavement on site
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Test device and method for determining icing state of salt solution
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Underwater robot navigation obstacle avoidance method based on visual image and laser radar
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Rollover prevention device for electric vehicle
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Vehicle driving track reconstruction method and system under condition of bayonet data loss
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A supplementary manipulator for construction of bridge large-scale steel reinforcement cage
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Device for preventing vehicle door from being opened quickly
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Device for reinforcing hollow slab bridge based on composite material and construction process
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Gas tank for detecting automobile pressure sensor
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Tire cleaning device
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