单选题The ability of lubricating oils to resist viscosity changes during temperature changes is indicated by the（）AAmerican PetroleumBInstitute number viscosity index numberCSeconds Saybolt Furol numberDSeconds Saybolt Universal number
单选题
The ability of lubricating oils to resist viscosity changes during temperature changes is indicated by the（）
A
American Petroleum
B
Institute number viscosity index number
C
Seconds Saybolt Furol number
D
Seconds Saybolt Universal number
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