electronic tube oscillator

例句：

1. 1.This electronic tube oscillator is used to amplify audio signals.
   这个电子管振荡器用于放大音频信号。
2. 2. The electronic tube oscillator was the first device to produce sound waves.
   电子管振荡器是第一个产生声波的设备。
3. 3. The electronic tube oscillator is widely used in various electronic devices.
   电子管振荡器在各种电子设备中广泛使用。