In large marine diesel engines cylinder oils usually contain additives formulated to impart the （） to clean the rings and grooves.<br>A:inefficiency<br>B:oiliness<br>C:detergency<br>D:purity

In large marine diesel engines cylinder oils usually contain additives formulated to impart the （） to clean the rings and grooves.
A:inefficiency
B:oiliness
C:detergency
D:purity

出自：海船船员证

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