35.Which ingredient in a fuel could potentially cause cold-end corrosion and acid contamination of the lubricating oil?
(A)Carbon residual
(B)Sodium
(C)Sulfur
(D)Catalytic fines
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35.燃料中的哪種成分可能導致潤滑油冷端...
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燃料中的哪種成分可能會導致潤滑油的冷端腐...