检查继电器接线 80%
检查继电器电阻 15%
更换继电器 5%
https://qc.dianpusou.com/tag/%e4%b8%ba%e4%bb%80%e4%b9%88%e6%9c%89%e4%ba%ba%e5%81%b7%e9%9b%a8%e5%88%b7%e5%99%a8
检查继电器接线 80%
检查继电器电阻 15%
更换继电器 5%
https://qc.dianpusou.com/tag/%e4%b8%ba%e4%bb%80%e4%b9%88%e6%9c%89%e4%ba%ba%e5%81%b7%e9%9b%a8%e5%88%b7%e5%99%a8