Bilges may be pumped （）.<br>A:on the outgoing tide<br>B:overboard after dark<br>C:overboard through an oily water separator<br>D:anytime in an emergency, i-emain engine lube oil failure

Bilges may be pumped （）.
A:on the outgoing tide
B:overboard after dark
C:overboard through an oily water separator
D:anytime in an emergency, i-emain engine lube oil failure

出自：海船船员证

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