Emergency frequency is _______ .

2023-12-27 06:50:49
空中交通管理基础英文部分
1

Emergency frequency is _______ .

A.121.5MHZ

B.120.5MHZ

C.121MHZ

D.119.0MHZ

正确答案是A

上一篇：“PAN” is the international RTF_______ signal.

下一篇：When Beijing time is 0801, UTC time should be _______ .