发布时间:2025-02-05 01:48:21
一般是红色线做电源线即火线,用测电笔测试氖泡亮,蓝色线是零线一般蓝色都是做零线,黄色线是地线,接插座时,红色接L桩头,蓝色接N桩头,黄色接地线。
在外贸服装中生产前给客户寄样品让其确认后生产不就可以了吗为什么生产完后还要寄大货样呢很是疑惑
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