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Vibration damping device with linear motor and resistance device connected in series
Chain loosening and tightening equipment for motorcycle
Engineering surveying and mapping unmanned aerial vehicle
Phase-sensitive track circuit receiving system and processing method
Automatic heat dissipation device for engine compartment
High-voltage relay control system, high-voltage output control method and automobile
REMAINING BATTERY CHARGING TIME ESTIMATION METHOD AND APPARATUS
REMAINING BATTERY CHARGING TIME ESTIMATION METHOD AND APPARATUS
Method and device for preventing overspeed of railway train