A vessel in ocean service that does not have an approved means of processing oily bilge slops or oily ballast must have（）.<br>A:a fixed piping system for ballast discharge to a reception facility<br>B:a discharge outlet for the ballast system on each side of the weather deck<br>C:one portable adapter for a shore connection to the ballast line<br>D:All of the above

A vessel in ocean service that does not have an approved means of processing oily bilge slops or oily ballast must have（）.
A:a fixed piping system for ballast discharge to a reception facility
B:a discharge outlet for the ballast system on each side of the weather deck
C:one portable adapter for a shore connection to the ballast line
D:All of the above

出自：海船船员证

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