信号缆线之间短路到扬声器 100%
https://qc.dianpusou.com/tag/b1%e9%a9%be%e9%a9%b6%e8%af%81%e6%89%a3%e5%88%86%e6%80%8e%e4%b9%88%e5%a4%84%e7%90%86
信号缆线之间短路到扬声器 100%
https://qc.dianpusou.com/tag/b1%e9%a9%be%e9%a9%b6%e8%af%81%e6%89%a3%e5%88%86%e6%80%8e%e4%b9%88%e5%a4%84%e7%90%86