If a used lube oil analysis indicates excessive chromate content, this meansA.air filtrati

题目内容(请给出正确答案)

If a used lube oil analysis indicates excessive chromate content, this means

A.air filtration is inadequate

B.engine coolant is leaking into the lube oil

C.fuel oil is leaking into the lube oil

D.the piston rings are excessive worn

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