频放大器 meaning in English
audio amplifier
Examples
- Subminiature dual frequency amplifier
超小型杆式双频放大器 - Cr selective amplifier
阻容式选频放大器 - Method for measuring audio amplifier single - frequency output for institutional audio - visual equipment used primarily for speech
用于演讲的教学视听设备中音频放大器的单频输出测量方法