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问题详情

（）, which consisted of seven short blasts and one prolonged blast, all passengers have to go to their assembly station.

A、When the distress alert is sounded

B、When the emergency equipment is switching on

C、When the general emergency alarm is sounded

D、When the distress broadcast is sounded

时间：2022-01-02 14:33 关键词： GMDSS

答案解析

A

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