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