PIL:Request time check; CTL:_______ .
2023-12-27空中交通管理基础英文部分
PIL:Request time check; CTL:_______ .
A.sixteen thirty–nine
B.one six three nine
C.one six tree nine
D.one six tree niner
正确答案是D

PIL:Request time check; CTL:_______ .
A.sixteen thirty–nine
B.one six three nine
C.one six tree nine
D.one six tree niner
正确答案是D