continuously adjustable resistor

例句：

1. 1. Thiscontinuous-adjustable resistor is very useful for controlling the brightness of LED lights.
   这种连续可调电阻器对于控制LED灯的亮度非常有用。
2. 2.The circuit designer used a continuously adjustable resistor to achieve precise current regulation.
   电路设计师使用了连续可调电阻器来实现精确的电流调节。
3. 3.In this experiment, we will use a continuously adjustable resistor to measure the voltage across the resistor.
   在这个实验中，我们将使用一个连续可调电阻器来测量电阻两端的电压。