An above glide slope indication from a two-bar VASI is _______ .
A.two red light bars
B.two white light bars
C.one red bar over a white one
D.one white bar over a red one
正确答案是B
An above glide slope indication from a two-bar VASI is _______ .
A.two red light bars
B.two white light bars
C.one red bar over a white one
D.one white bar over a red one
正确答案是B