单项选择题
A.engine speed
B.kilowatt load
C.fuel injection pressure
D.air intake manifold temperature
单项选择题 The operating speed of a turbocharger is directly dependent upon（）
单项选择题 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（）
单项选择题 In a main propulsion turbocharged diesel engine, the speed of the turbocharger varies according to the （）