What are the vessel equipment and personnel requirements for GMDSS? （）<br>A:Two licensed GMDSS radio operators<br>B:Equipment carriage requirements<br>C:Distress alerting and response<br>D:All of the above

What are the vessel equipment and personnel requirements for GMDSS? （）
A:Two licensed GMDSS radio operators
B:Equipment carriage requirements
C:Distress alerting and response
D:All of the above

出自：海船船员证

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