potentiometric pick-up

例句：

1. 1.The potentiometric pick-up is used to measure the potential difference between two points on a circuit.
   电位拾取器用于测量电路上两点之间的电位差。
2. 2.The potentiometric pick-up was designed to detect changes in the electrical potential of the environment.
   电位拾取器被设计用来检测环境电位的变化。
3. 3.The potentiometric pick-up was used to monitor the performance of the electronic device.
   电位拾取器被用来监测电子设备的性能。