正對負有電壓,地對負極0電阻,地對其它電阻無窮大

回答: 你要量量各極與地線的電阻MoonRiverMe2019-03-16 10:26:07

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

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