You may not be aware of this but the chassis of your vehicle is actually connected to the negativeterminal of your battery. So your car is actually negatively charged.
你可能有所不知,你车的底盘其实连接着电池的负极,所以,你的车其实是带负电荷的。
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Think, for instance, what happens on the it side when, as has happened so often lately, a domestic facility escapes negative refining margins by conversion to a terminal facility.
Before connecting this unit, please make sure that the input and output terminal, and the positive and negative polarities of output terminal are on the right position respectively.