促动器内部故障 60%
控制单元软件故障 20%
控制单元硬件故障 20%
https://qc.dianpusou.com/tag/%e5%a4%a7%e5%9e%8b%e6%88%bf%e8%bd%a6%e7%94%a8%e4%bb%80%e4%b9%88%e9%a9%be%e7%85%a7
促动器内部故障 60%
控制单元软件故障 20%
控制单元硬件故障 20%
https://qc.dianpusou.com/tag/%e5%a4%a7%e5%9e%8b%e6%88%bf%e8%bd%a6%e7%94%a8%e4%bb%80%e4%b9%88%e9%a9%be%e7%85%a7