electric gramophone pick-up arm

例句：

1. 1.The engineer carefully adjusted the position of the electric gramophone pick-up arm to optimize sound quality.
   工程师仔细调整了电唱机的拾音臂位置，以优化音质。
2. 2. During the recording session, the technician monitored the performance of the electronic microphone pickup arm.
   在录音期间，技术人员监测了电子麦克风拾音臂的性能。
3. 3. The audio engineer used a professional tool to inspect and repair the audio pickup arm, ensuring thatthe recordings were clear and accurate.
   音频工程师使用专业工具检查和修理了音频拾音臂，确保录制的声音清晰准确。