tuning triode

例句：

1. 1. The tuning triode was used to tune the radio.
   这个调谐三极管被用来调校收音机。
2. 2. The tuning triode is responsible for the sound quality of the speaker.
   调谐三极管负责扬声器的声音质量。
3. 3. The tuning triode is an essential component in many electronic devices.
   调谐三极管是许多电子设备中不可或缺的组件。