indicating potentiometer

例句：

1. 1. The digital display is an indicator potentiometer that shows the temperature in Celsius.
   这个数字显示屏是一个指示式电位计，显示摄氏温度。
2. 2. The circuit board has a built-in indicator potentiometer that can be adjusted to control thebrightness of the LED lights.
   电路板内置了一个指示式电位计，可以调整来控制LED灯的亮度。
3. 3.The engineer used an indicator potentiometer to adjust the sensitivity of the sensor for better accuracy.
   工程师使用一个指示式电位计来调整传感器的灵敏度，以获得更好的准确度。