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问题详情

If you know that the vessel you are about to call on the VHF radio maintains a radio watch on both the working and the calling frequencies，which frequency should you call on? （）

A、Calling frequency

B、Distress frequency

C、Urgency frequency

D、Working frequency

时间：2022-01-02 08:55 关键词： VHF通信

答案解析

D

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