The priority of EGC messages is classified by（）.<br>A:distress, urgent and safety<br>B:safety and routine<br>C:urgent, safety and routine<br>D:distress, urgent, safety and routine

The priority of EGC messages is classified by（）.
A:distress, urgent and safety
B:safety and routine
C:urgent, safety and routine
D:distress, urgent, safety and routine

出自：海船船员证

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