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person:("Liu, liang")
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person:("Liu, qian")
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person:("Liu, xiang")
High-toughness high-brightness black air inlet grille and preparation method and application thereof
Spraying dust falling device for road and bridge construction
Automobile drying system, automobile and drying method for articles in automobile
Plant protection unmanned aerial vehicle capable of judging heading in real time
Plant protection unmanned aerial vehicle with wide spraying range
Agricultural spraying unmanned aerial vehicle capable of automatically adjusting pesticide amount