每次一下雨打雷,公司交换机设备电源板就烧坏,就是鼓起来的这个,有没有可以预防这种情况发生的办法
2025-02-01 20:11:47 2025-02-01 20:11:47 2025-02-01 20:11:47定压110v功放接上喇叭后声音只有原来的1473音量电位器没事是不是输出变压器的事
2025-02-01 20:11:47 2025-02-01 20:11:47 2025-02-01 20:11:47 2025-02-01 20:11:47 2025-02-01 20:11:47 2025-02-01 20:11:47 2025-02-01 20:11:47 2025-02-01 20:11:47 2025-02-01 20:11:47 2025-02-01 20:11:47 2025-02-01 20:11:47 2025-02-01 20:11:47 2025-02-01 20:11:47 2025-02-01 20:11:47 2025-02-01 20:11:47 2025-02-01 20:11:47 2025-02-01 20:11:47 2025-02-01 20:11:47 2025-02-01 20:11:47