A.defrosting
B.de-oiling
C.demulsifying
D.dehumidifying
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A.dispersant；detergent
B.detergent；dispersant
C.dispersant；dispersant
D.detergent；detergent
A.oxidation resistance
B.carbon-forming tendency
C.demulsibility
D.acidity
A.lower than
B.higher than
C.as same as
D.better than
A.the worse
B.the better
C.the smaller
D.the greater
A.absolute value
B.relative value
C.constant value
D.set value
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