A.improper fuel rack positing
B.lengthy exhaust valve duration
C.extend operation at light load
D.excessively early injection timing
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A.crankcase
B.cylinder head
C.valve cover
D.engine frame
A.Impeller
B.Compressor
C.After-cooler
D.Exhaust differ
A.camshaft seizure
B.lube oil pump failure
C.lube oil cooler failure
D.lube oil pump overflow
A.Improper lubrication
B.Air in the fuel system
C.Coated fuel lines
D.Excessive vibration
A.Excessive valve train lubrication
B.Leaking standby oil cooler core
C.Excessive lube oil pressure
D.Excessive lube oil in the system
最新試題
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（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.