The master dim and test switch can do these functions; 1.Test the indicator and panel lights.2.Cause the indicator and panel lights to come on in the bright or dim mode.从以上描述中得知，master dim and test switch不能用于
发布于 2021-02-10 00:09:33
【单选题】 A 测试indicator and panel lights B 关闭indicator and panel lights C 将indicator and panel lights变为明亮模式 D 将indicator and panel lights变为暗亮模式
