An on-off switch with pilot light, reversing switch and a power rheostat are mounted on the base.

开关还附有指示灯，转换装置及电阻在底座上。

youdao

An on-off switch with pilot light, reversing switch and a power rheostat are mounted on the base.

开关还附有指示灯，转换装置及电阻在底座上。

youdao