A lubricant often has to perform many duties in any situation, in addition to its fundamental job of （）.<br>A:resisting oxidization<br>B:reducing friction<br>C:promoting moving speed<br>D:developing inertia

A lubricant often has to perform many duties in any situation, in addition to its fundamental job of （）.
A:resisting oxidization
B:reducing friction
C:promoting moving speed
D:developing inertia

出自：海船船员证

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