distress frequency

基本解释遇险呼救频率

网络释义

1)distress frequency,遇险呼救频率2)distress frequency,遇险(呼救)频率3)in Distress,遇险4)in danger,海上遇险5)report in distress,遇险报告6)survivor,遇险者

用法和例句

The Research on Pre-planned Emergency Response Scheme for Ferry Ship in Distress;

海上客船遇险应急响应预案研究

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