单选题Lube oil cannot be efficiently filtered if its （）.Aviscosity is too lowBtemperature is too lowCpump discharge pressure is higher than the systems pressureDpump capacity is greater than the systems needs
单选题
Lube oil cannot be efficiently filtered if its （）.
A
viscosity is too low
B
temperature is too low
C
pump discharge pressure is higher than the systems pressure
D
pump capacity is greater than the systems needs
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