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Integrated automobile tail door D column decorative plate
Ventilation air inlet system for core compartment of turbofan engine
High-precision multi-channel synchronous acting initiating explosive device
Water conveying pipeline mounting device for high-rise pipeline shaft
Solid fuel gas starter for fuel gas self-pressurization
Batch automatic cleaning method for airplane parts and components
Hydraulic power unit for electro-hydraulic point switch
Hydraulic system of variable-capacity display vehicle and display vehicle
Expressway traffic night vision emergency speed measurement equipment
Patrol device for line maintenance and use method thereof
Welding structure lifting piece for steam turbine generator base and manufacturing method
Crawler-type magnetic adsorption detection robot walking mechanism
Large-diameter pipeline on-site construction butt joint structure and butt joint method
Hoisting threading operational rod whose height is convenient to adjust