单项选择题

Fuel injected into a diesel engines cylinder is ignited by （）.

A.the heat compressed fuel/air mixture in the cylinder
B.the fuel igniter
C.the fuel injector
D.the fuel pump

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单项选择题

A.leaky exhaust valve
B.increased scavenging air temperature
C.engine cylinders not scavenged sufficiently
D.water in the fuel oil

单项选择题

A.cylinder covers
B.lubricating space
C.crosshead
D.exhaust manifold

单项选择题

A.combustion
B.condensation
C.charging
D.evaporation