equalizer spring cap

例句：

1. 1.The engineer used a special equalizer spring to adjust the frequency of the radio signal.
   工程师使用一种特殊的均衡器弹簧来调整无线电信号的频率。
2. 2. The technician replaced the old equalizer spring with a new one to improve the sound quality.
   技术人员用一个新的来替换旧的均衡器弹簧，以改善音质。
3. 3.The musician carefully fitted the equalizer spring into the microphone to optimize the sound output.
   音乐家小心地将均衡器弹簧安装到麦克风中，以优化声音输出。