The Capacitor turns the signal in antiphrasis, the only thing whole. The Earphones do such long ago. The Shot of the handgun not audible.
什么积极保护?基本原理:和接收信号---个放大器,个晶体管---个可变电阻的电容器---个扬声器或极的输出装置。
The Capacitor turns the signal in antiphrasis, the only thing whole. The Earphones do such long ago. The Shot of the handgun not audible.
什么积极保护?基本原理:和接收信号---个放大器,个晶体管---个可变电阻的电容器---个扬声器或极的输出装置。
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