单选题Improper cooling of a diesel engine cylinder liner due to the accumulation of scale deposits may cause （）.Alow compression pressureBincreased piston wearCincreased cylinder lube oil consumptionDpoor contact between compression rings and liner
单选题
Improper cooling of a diesel engine cylinder liner due to the accumulation of scale deposits may cause （）.
A
low compression pressure
B
increased piston wear
C
increased cylinder lube oil consumption
D
poor contact between compression rings and liner
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