In radiotelephony, the call sign for a controller for _______ is Ground.
A.surface movement control
B.aerodrome control
C.apron control
D.approach control
正确答案是A
In radiotelephony, the call sign for a controller for _______ is Ground.
A.surface movement control
B.aerodrome control
C.apron control
D.approach control
正确答案是A