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person:("DU jing")
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person:("DU ming")
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person:("DU ying")
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person:("DU ding")
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person:("DU ping")
Intelligent water affair visual information acquisition equipment
Land-air dual-purpose plant protection unmanned aerial vehicle and control method thereof
Self-adaptive power adjusting method and device of fuel cell system, vehicle and medium
Electromechanical-hydraulic hybrid power device and power matching method thereof
Ship planking rust removal and paint spraying operation system based on floating dock
Multi-area truck and cargo real-time query method and device with RFID reader
Lifting stabilizing device and method for surveying and mapping unmanned aerial vehicle
Vehicle-mounted recording studio system and control method thereof
Method and device for evaluating turning passing rate of vehicle, electronic equipment and medium