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person:("Liu, shaohua")
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person:("Liu, zhaohui")
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person:("Liu, chaohui")
Manual moving telescopic electric automobile fireproof cover
Safe elevator door lock safety circuit and implementation method thereof
Method and device for determining dual-motor distribution current
Vehicle mileage test method and device and computer readable storage medium
Tailless flying wing layout plane with split type wing tip
Energy recovery intensity self-learning method and device