一些开关也包含一个可变电阻器，控制仪表板灯的灯光亮度。

Some switches also contain a rheostat to control the brightness of the instrument panel lights.

youdao

一些开关也包含一个可变电阻器，控制仪表板灯的灯光亮度。

Some switches also contain a rheostat to control the brightness of the instrument panel lights.

youdao