单选题The () of the lubricant should be sufficient to hold the film together, but it should allow the lubricant to flow easily.Aspecific gravityBviscosityCacid valueDcalorific value

单选题
The () of the lubricant should be sufficient to hold the film together, but it should allow the lubricant to flow easily.
A

specific gravity

B

viscosity

C

acid value

D

calorific value


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