单项选择题
A.fuel oil pump will over-speed if dirt is not removed
B.fuel oil transfer pumps cannot tolerate small amounts of dirt in the oil
C.fuel injectors may be damaged by foreign particles in the fuel oil
D.dirty fuel will clog the intake air filter
单项选择题 An automated diesel engine should normally shut down due to （）
单项选择题 The minimum speed an engine must attain before ignition can occur depends upon （）.
单项选择题 For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.