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螺口灯泡接上后怎么不亮
更新时间: 2020-06-29 00:00:00  

螺口灯泡接上后不亮的原因有以下几点:

1、钨丝断裂,换完好的钨丝即可;

2、螺口接触不良,将螺口旋转紧即可;

3、火线或零线没接紧,将线紧密连接即可;

4、火线或零线接触不良,将线紧密连接即可;

5、芯片没有接触到灯尾,将芯片接触至灯尾即可。

关键词: 螺口 灯泡 怎么

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