Excessive piston ring wear in a diesel engine will cause（）<br>A:high lube oil viscosity<br>B:increased lube oil consumption<br>C:low lube oil temperatures<br>D:high firing pressures

Excessive piston ring wear in a diesel engine will cause（）
A:high lube oil viscosity
B:increased lube oil consumption
C:low lube oil temperatures
D:high firing pressures

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