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單項(xiàng)選擇題

If scavenge box should be hot, （）would occur.

A.seized piston
B.defective atomizer
C.scavenge fire
D.too much LO

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單項(xiàng)選擇題

If exhaust temperatures are too high, you should check （）.

A.air cooler
B.turbocharger
C.charge air
D.A+B+C

單項(xiàng)選擇題

Defective timing gear in a diesel engine may lead to （）.

A.smoky exhaust
B.starting failure
C.overload
D.over speed