_______ is the never-exceed speed which is marked by a red line on the color-coded arc of the airspeed indicator.
A.Vlc
B.Vfc
C.Vnc
D.Va
正确答案是C
_______ is the never-exceed speed which is marked by a red line on the color-coded arc of the airspeed indicator.
A.Vlc
B.Vfc
C.Vnc
D.Va
正确答案是C