A.the pressure of the starting air is high enough
B.there is enough air in the air reservoirs
C.the air is supplied into the cylinders in the appropriate sequence
D.all of the above
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A.the start fails
B.the fuel pumps will be put into operation
C.the fuel valves are damaged
D.the combustion process will take over
A.crack
B.knocking
C.leaking
D.seizure
A.pressure oil
B.pressure water
C.compressed air
D.cooling water
A.lathed
B.shaped
C.shrunk
D.developed
A.the number of fuel valves
B.the number of cylinders
C.the speed of engine
D.the power of engine
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