high pitch regulator

例句：

1. 1.The engineer used a high-pitchedregulator to adjust the sound level.
   工程师使用一个高音调调节器来调整声音水平。
2. 2.The high-pitched regulator was designedto prevent noise from affecting the recording process.
   这个高音调调节器被设计用来防止噪音影响录音过程。
3. 3. In themusic industry, high-pitched regulators are commonlyused in studios to control thevolume of instruments.
   在音乐行业中，高音调调节器通常用于工作室中控制乐器的音量。