By regulation，your cargo vessel must have（）.<br>A:sufficient facilities for the crew to wash their clothes<br>B:a wash basin in each room<br>C:separate toilet facilities for engineers where their number exceeds six<br>D:All of the above

By regulation，your cargo vessel must have（）.
A:sufficient facilities for the crew to wash their clothes
B:a wash basin in each room
C:separate toilet facilities for engineers where their number exceeds six
D:All of the above

出自：海船船员证

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