If you wished to transmit a message by voi
题型:单项选择题
问题:
If you wished to transmit a message by voice concerning the safety of navigation,you would preface it by the word().
A.Mayday
B.Pan-pan
C.Securite
D.Safety
If you wished to transmit a message by voice concerning the safety of navigation,you would preface it by the word().
A.Mayday
B.Pan-pan
C.Securite
D.Safety