单选题With respect to the flow of lubricating oil through a diesel engine, the lube oil coolers are located after filters in order to （）.Aallow filtration of less viscous oilBdecrease the pressure drop across the filterCimprove overall filtrationDall of the above
单选题
With respect to the flow of lubricating oil through a diesel engine, the lube oil coolers are located after filters in order to （）.
A
allow filtration of less viscous oil
B
decrease the pressure drop across the filter
C
improve overall filtration
D
all of the above
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