Any discharge into the sea of oil or oily mixtures from ships to which this Annex of MARPOL 73/78 applies shall be（）except when special conditions are satisfied.<br>A:required<br>B:requested<br>C:promoted<br>D:prohibited

Any discharge into the sea of oil or oily mixtures from ships to which this Annex of MARPOL 73/78 applies shall be（）except when special conditions are satisfied.
A:required
B:requested
C:promoted
D:prohibited

出自：海船船员证

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