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person:("Liu, shaohua")
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person:("Liu, zhaohui")
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person:("Liu, chaohui")
Vehicle mileage test method and device and computer readable storage medium
Tailless flying wing layout plane with split type wing tip
Ship early warning method and system based on data fusion
Safe elevator door lock safety circuit and implementation method thereof
Rotary ground penetrating radar trailer for underground cable detection
Method and device for determining dual-motor distribution current
Manual moving telescopic electric automobile fireproof cover
Lifting trolley for high-voltage circuit breaker testing
Energy recovery intensity self-learning method and device
Data processing device based on electronic commerce and using method thereof
Broken wire detecting and repairing device and method for vertical shaft hoisting cage guide rope