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person:("zhang, haiyang")
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person:("zhang, haiping")
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person:("zhang, haiming")
Material conveying equipment for flexible screen manufacturing
Agricultural unmanned aerial vehicle sprayer capable of controlling the spraying area
Protection device for preventing vehicle from being soaked in water
Voice interaction system and method based on vehicle-mounted camera
Automatic charging system and method for low-voltage battery of electric vehicle
Electric vehicle low-voltage battery electricity shortage prevention automatic control method
Battery equalization method and battery equalization device