When aircraft depart at specified times, they are separated ____

2023-12-26 22:43:00
英语

When aircraft depart at specified times, they are separated _______ .

A.longitudinally

B.vertically

C.by time

D.one behind the other

正确答案是C

上一篇：On a flight progress strip, a controller _______ only current fl

下一篇：VHF is _______ .