distress call
短语词组
- distress telephone call 遇險電話呼叫
- distress telex call 遇險電傳呼叫
- distress radio call system 遇險無線電呼叫系統;遇險無線電呼救系統
- distress priority call 優先遇險呼叫;遇險優先呼叫
- distress -call pulse 求救信號脈沖
- animal distress call 動物危難叫喊
- distress call format 遇險呼叫格式
- no distress call 未發求救信號
- distress call apparatus 遇難呼救裝置 返回 distress call