单选题A four-stroke/cycle, 1000horsepower diesel engine fails to start at normal cranking speed with normal fuel pressure and ambient temperatureThe reason for the failure could be（）Aglazed liners or pistonsBhigh lube oil pressureCexcessive compression ratioDworn valve seats and valves
单选题
A four-stroke/cycle, 1000horsepower diesel engine fails to start at normal cranking speed with normal fuel pressure and ambient temperatureThe reason for the failure could be（）
A
glazed liners or pistons
B
high lube oil pressure
C
excessive compression ratio
D
worn valve seats and valves
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