graded potentiomter

例句：

1. 1. The graded potentiomter was used to measure the electrical resistance of different materials.
   分级电位计被用来测量不同材料的电阻。
2. 2. The graded potentiomter was used to monitor the performance of the battery system.
   分级电位计被用来监测电池系统的性能。
3. 3. The graded potentiomter was used to adjust the voltage output of the power supply.
   分级电位计被用来调整电源的电压输出。