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person:("wang, qingfeng")
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person:("wang, linfeng")
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person:("wang, jingfeng")
Electric derailer protection method and system and electronic equipment
Floating body positioning adjustable tidal power generation device
Folding crane for lifting system of vertical lifting movable bridge
Heavy-load conveying equipment and conveying control method
Main/pre-pressurization integrated system based on double-motion-freedom-degree piston pump
Main/pre-pressurization integrated system based on double-motion-freedom-degree piston pump
Method and structure for protecting panoramic camera of unmanned aerial vehicle
Power output method and device of hydrogen hybrid electric vehicle, medium and vehicle
Virtual-real fitting method for real object, intelligent cabin, medium and intelligent automobile