DSC distress acknowledgements are normally transmitted by（）in respond to a receiver DSC distress call.<br>A:Ship stations<br>B:Coast stations<br>C:NCSs<br>D:NCC

DSC distress acknowledgements are normally transmitted by（）in respond to a receiver DSC distress call.
A:Ship stations
B:Coast stations
C:NCSs
D:NCC

出自：海船船员证

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