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---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---放大器，晶体---可变电阻的电容器---扬声器或射极的置。

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---放大器，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---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，个晶体管---个可变电阻的电容---个扬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？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。