单选题Demulsibility of a lube oil is defined as （）.Athe ability of oil to separate from waterBthe temperature at which oil flows rapidlyCa measure of the water in a lube oil systemDan emulsion of different grades of oil
单选题
Demulsibility of a lube oil is defined as （）.
A
the ability of oil to separate from water
B
the temperature at which oil flows rapidly
C
a measure of the water in a lube oil system
D
an emulsion of different grades of oil
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