单项选择题
A.temperature of the exhaust gases
B.energy supplied to the turbocharger
C.air pressure to the intake manifold
D.purge of exhausted gases from the cylinders
单项选择题 A change in the quality of fuel atomization by a diesel engine fuel injector would be caused by a/an （）
单项选择题 While maneuvering, you discover heavy smoke coming from the turbocharger casing, you should （）
单项选择题 Operating a diesel engine under light loads and at low temperatures for an exhaust for an extended period can result in（）