单项选择题

To receive oil residues from the purification of fuel and lubricating oils in the machinery spaces, what kind of tank(s) should be provided on board?（）

A.bilge tank
B.sludge tank
C.overflow tank
D.oil collecting tank

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船舶电气与船舶安全

To receive oil residues from the purification of fuel and lubricating oils in the machinery spaces, what kind of tank(s) should be provided on board?（）