The ignition quality of a diesel fuel is indicated by the ()
A、A.cetane number
B、B.volatility point
C、C.viscosity index
D、D.octane number
A、A.cetane number
B、B.volatility point
C、C.viscosity index
D、D.octane number
A、ignition quality of the fuel B、calorific value of the fuel C、flash point of the fuel D、rate of fuel consumption
A、A.ignition quality of the fuel B、B.calorific value of the fuel C、C.flash point of the fuel D、D.rate of fuel consumption
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