The flight altitude, airspeed, M number and temperature of FMS are mainly displayed on the _______ .
A.FMC
B.ADI
C.CDU
D.HSI
正确答案是C
The flight altitude, airspeed, M number and temperature of FMS are mainly displayed on the _______ .
A.FMC
B.ADI
C.CDU
D.HSI
正确答案是C