A、nature of distress
B、type of assistance required
C、course and speed and time at which the information was recorded
D、A, B, C are all right
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A、nature of distress
B、type of assistance required
C、course and speed and time at which the information was recorded
D、A, B, C are all right
时间：2022-01-04 13:13 关键词： GMDSS 水路交通运输技能考试 海船船员考试