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  • Analysis of extended range electric vehicle (REEV)

    Extended range electric vehicle What is an extended range electric vehicle? The extended-range electric vehicle is abbreviated as REEV. The extended-range electric vehicle is based on a pure electric vehicle. It is equipped with a small auxiliar...

  • Why is the relay called "automatic switch" with small control and big control

    Why is the relay called "automatic switch" with small control and big control The relay is an electrical control device, made based on the principle of electromagnetic induction, and is an "automatic switch" that uses a small current to control a lar...