单选题Which of the following conditions indicates the dilution of diesel engine lube oil by fuel oil?（）AWater discharging from the water outlet of the lube oil purifierBFuel oil discharging from the water outlet of the lube oil purifierCLube oil discharging from the water outlet of the lube oil purifierDA change in the lube oil viscosity
单选题
Which of the following conditions indicates the dilution of diesel engine lube oil by fuel oil?（）
A
Water discharging from the water outlet of the lube oil purifier
B
Fuel oil discharging from the water outlet of the lube oil purifier
C
Lube oil discharging from the water outlet of the lube oil purifier
D
A change in the lube oil viscosity
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