A dimmer control knob is provided on the right side of the front panel which also activates the lamp test.

在前面板的右侧提供了一个减光控制旋扭，由此也可以激发灯泡试验。

youdao

A dimmer control knob is provided on the right side of the front panel which also activates the lamp test.

在前面板的右侧提供了一个减光控制旋扭，由此也可以激发灯泡试验。

youdao