n.可變電阻器

Some switches also contain a rheostat to control the brightness of the instrument panel lights. 一些開(kāi)關(guān)也包含一個(gè)可變電阻器，控制儀表板燈的燈光亮度。

The rheostat is operated by rotating the control knob, separating it from the push-pull action of the main lighting switch. 可變電阻器由旋轉(zhuǎn)的控制手柄操縱，與燈光總開(kāi)關(guān)的推一拉的操縱是分開(kāi)的。

adj.變阻器式的(電阻的)