正对负有电压,地对负极0电阻,地对其它电阻无穷大

回答: 你要量量各极与地线的电阻MoonRiverMe2019-03-16 10:26:07

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Your best bet is to look at the wiring at the pump -MoonRiverMe- 给 MoonRiverMe 发送悄悄话 (29 bytes) () 03/16/2019 postreply 11:39:33

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