检查导线以及插头连接 60%
测量供电电压 40%
https://qc.dianpusou.com/tag/atsl%e5%a4%a7%e5%b1%8f%e4%bb%80%e4%b9%88%e5%93%81%e7%89%8c%e5%a5%bd
检查导线以及插头连接 60%
测量供电电压 40%
https://qc.dianpusou.com/tag/atsl%e5%a4%a7%e5%b1%8f%e4%bb%80%e4%b9%88%e5%93%81%e7%89%8c%e5%a5%bd