单项选择题
As for turbine oil, contact with water in the form of steam will be inevitable so good () properties will be essential.
A.defrosting
B.de-oiling
C.demulsifying
D.dehumidifying
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相关考题
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单项选择题
Any carbon built up on surfaces must be washed away by () additives and held in suspension by a () additive.
A.dispersant;detergent
B.detergent;dispersant
C.dispersant;dispersant
D.detergent;detergent -
单项选择题
The () of an oil refers to its ability to mix with water and then release the water in a centrifuge.
A.oxidation resistance
B.carbon-forming tendency
C.demulsibility
D.acidity -
单项选择题
Obviously, for a given fuel oil, its pour point is () its cloud point.
A.lower than
B.higher than
C.as same as
D.better than
