429 bus general aircraft avionics cross-linking fault test method
Generator end cover taking and placing tool and method
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Elevator guide rail support with vibration isolation function
Three-coordinate measurement auxiliary clamp and use method
Integrated controller frame, control device mounting device and engineering vehicle
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Crane capable of preventing starting impact of cross beam and tension buffering structure of crane
Traffic jam tracing method and system based on low-altitude unmanned aerial vehicle
Side-plate-free escalator pressing rail and mounting method thereof
Branch locking device for underground inclined drift transport mancar
Two-stage flow control telescopic system and control method thereof
CP signal generating circuit for new energy automobile charging
Air route traffic flow network cascade failure chain propagation modeling method