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懂行的不难,一般强电电工脑子里只有万用表
-移花接木-
♂
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12/11/2020 postreply
12:30:05
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有一次三相电源总有一相烧50amps保险,找不到原因换上新保险正要离开一辆卡车开过又烧了,立马知道是路面底下
-欲借嵯峨-
♂
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12/11/2020 postreply
12:35:45
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