A-A+

Which word is an international distress signal when transmitted by radiotelephone ().

2020-09-18 20:36:20 资格考试 阅读

问题详情

A.Securite

B.Mayday

C.Breaker

D.Pan

请帮忙给出正确答案和分析,谢谢!

参考答案

考点: