单选题The removal of （） from lubricating oil will reduce engine wear and possible breakdowns.Acontaminating waterBcontaminated additivesCcontaminated fuelDcontaminating impurities
单选题
The removal of （） from lubricating oil will reduce engine wear and possible breakdowns.
A
contaminating water
B
contaminated additives
C
contaminated fuel
D
contaminating impurities
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