单项选择题
The cylinder oil will have to neutralize the acidic products of combustion and have good （） properties to keep the metal surfaces clean.
A.detergent
B.de-oiling
C.defrosting
D.demulsifying
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相关考题
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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 -
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
