单选题A condition that can increase the foaming tendency of lube oil is （）Aexcessively high oil temperaturesBwater or moisture contaminationCfuel dilutionDlife its cylinder relief vales
单选题
A condition that can increase the foaming tendency of lube oil is （）
A
excessively high oil temperatures
B
water or moisture contamination
C
fuel dilution
D
life its cylinder relief vales
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