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新能源车为啥还有12V小电瓶?
传统的汽油车为了满足车上电器的用电需求,只能通过发动机带动发电机,实现从汽油到电力的能源转换,为车上的车灯、车窗、音响乃至助力系统提供电力。同时,汽油车还都有一个电力驱动的启动马达,来保证发动机熄火后依旧可以重新运转。因此,无论是供电器的电量还是启动 ...
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