Tri-city Arrival, AAL320, _______ 110, _______ X-ray received.
A.heading, signal
B.FL, information
C.altitude, with
D.POB, report
正确答案是B
Tri-city Arrival, AAL320, _______ 110, _______ X-ray received.
A.heading, signal
B.FL, information
C.altitude, with
D.POB, report
正确答案是B