单选题The minimum fuel oil delivery pressure required for diesel engine injection depends primarily on the（）Adegree of cylinder air turbulenceBfiring pressure in the engineCquality of fuel to be injectedDduration of the ignition delay period
单选题
The minimum fuel oil delivery pressure required for diesel engine injection depends primarily on the（）
A
degree of cylinder air turbulence
B
firing pressure in the engine
C
quality of fuel to be injected
D
duration of the ignition delay period
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