Station calling ground, I can’t read you, please _______ 119.l.
A.change to
B.try again on
C.make radio check on
D.stand by on
正确答案是B
Station calling ground, I can’t read you, please _______ 119.l.
A.change to
B.try again on
C.make radio check on
D.stand by on
正确答案是B