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996300895

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7楼: Originally posted by 时尚80后 at 2010-06-08 18:33:58
上海辰华,660C,如果设置电压为正 时,此时,通过电流为负,绿色为阳极,红色为阴极,白色参比,把红白接在一起 黑色无用,闲置,和绿色接上也没有影响 ;760也一样,不过,黄色也闲置就行

请问怎么看自己设置的电压是正还是负啊
21楼2018-05-08 13:23:51
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康辉kk

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21楼: Originally posted by 996300895 at 2018-05-08 13:23:51
请问怎么看自己设置的电压是正还是负啊...

同问一下,怎么看正负?

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22楼2018-05-19 09:00:33
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