1)distress communication,遇险通信2)distress traffic,遇险通信3)improved distress communication,改进的遇险通信4)in Distress,遇险5)in danger,海上遇险6)report in distress,遇险报告7)survivor,遇险者8)Distress Alert,遇险报警9)Ships in distress,遇险船舶10)crew in distress,遇险船员
用法和例句
The Research on Pre-planned Emergency Response Scheme for Ferry Ship in Distress;
