开关卡住,更换开关 90%
线路磨损 10%
https://qc.dianpusou.com/tag/%e5%9c%a805%e5%b9%b4%e9%9b%aa%e9%93%81%e9%be%99%e5%af%8c%e5%ba%b7%e5%a4%9a%e5%b0%91%e9%92%b1
开关卡住,更换开关 90%
线路磨损 10%
https://qc.dianpusou.com/tag/%e5%9c%a805%e5%b9%b4%e9%9b%aa%e9%93%81%e9%be%99%e5%af%8c%e5%ba%b7%e5%a4%9a%e5%b0%91%e9%92%b1