The Capacitor turns the signal in antiphrasis, the only thing whole. The Earphones do such long ago. The Shot of the handgun not audible.

什么是积极保护？基本原理是：发射和接收信号---放大，晶体管---可变电阻的电---声或射极的输出装置。

The Capacitor turns the signal in antiphrasis, the only thing whole. The Earphones do such long ago. The Shot of the handgun not audible.

什么是积极保护？基本原理是：发射和接收信号---放大，晶体管---可变电阻的电---声或射极的输出装置。

The Capacitor turns the signal in antiphrasis, the only thing whole. The Earphones do such long ago. The Shot of the handgun not audible.

什么是积极保护？基本原理是：发射和接收信号---个放大器，个晶体管---个可变电阻的电器---个扬声器或射极的输出装置。

The Capacitor turns the signal in antiphrasis, the only thing whole. The Earphones do such long ago. The Shot of the handgun not audible.

什么是积极保护？基本原理是：发射和接收信号---器，晶体管---可变电阻的电容器---扬声器或射极的输出装置。

The Capacitor turns the signal in antiphrasis, the only thing whole. The Earphones do such long ago. The Shot of the handgun not audible.

什么是积极保护？基本原理是：发射和接收信号---个放大器，个晶体管---个可变电阻的电容器---个扬声器或射极的输出装置。

The Capacitor turns the signal in antiphrasis, the only thing whole. The Earphones do such long ago. The Shot of the handgun not audible.

什么是积极保护？基本原理是：发射和接收信号---个放大器，个晶体管---个可变电阻的电容器---个扬声器或射极的输出装置。

The Capacitor turns the signal in antiphrasis, the only thing whole. The Earphones do such long ago. The Shot of the handgun not audible.

什么是积极保护？基本原理是：发射和接收信号---放大，晶体管---可变电阻的电---声或射极的输出装置。

The Capacitor turns the signal in antiphrasis, the only thing whole. The Earphones do such long ago. The Shot of the handgun not audible.

什么是积极保护？基是：发射和接收信号---个放大器，个晶体管---个可变电阻的电容器---个扬声器或射极的输出装置。

The Capacitor turns the signal in antiphrasis, the only thing whole. The Earphones do such long ago. The Shot of the handgun not audible.

什么是积极保护？基是：发射和接收信号---个放大器，个晶体管---个可变电阻的电容器---个扬声器或射极的输出装置。