单选题灯质AlFlRW表示()。A互光灯,一个周期内红、白交替发光,常明不灭B闪光灯有红光弧和白光弧C一个周期内交替闪一次红光和一次白光D闪白光和闪红光
单选题
灯质AlFlRW表示()。
A
互光灯,一个周期内红、白交替发光,常明不灭
B
闪光灯有红光弧和白光弧
C
一个周期内交替闪一次红光和一次白光
D
闪白光和闪红光
参考解析
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