The radiotelephone safety signal is（）.<br>A:securite repeated 3 times<br>B:safety repeated 3 times<br>C:pan pan repeated 3 times<br>D:securite securite repeated 3 times

The radiotelephone safety signal is（）.
A:securite repeated 3 times
B:safety repeated 3 times
C:pan pan repeated 3 times
D:securite securite repeated 3 times

出自：海船船员证

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