单项选择题
A.smoky exhaust B.starting failure C.ignition relay D.over speed
Defective air cooler in a diesel engine will lead to （）...
单项选择题Defective air cooler in a diesel engine will lead to （）.
A.smoky exhaust B.starting failure C.overload D.over speed
Defective atomizer in a diesel engine will lead to（）.A....
单项选择题Defective atomizer in a diesel engine will lead to（）.
A supercharged engine differs from an un-supercharged e...
单项选择题A supercharged engine differs from an un-supercharged engine it operates at an increases pressure（）.
A.in which B.on which C.at which D.in that
