题目内容
（请给出正确答案）
[主观题]
Diesel engines are started by supplying into the cylinders in the appropriate sequence for
the required direction.
A.cooling water
B.compressing air
C.compressed air
D.cylinder oil
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A.have a larger than normal dead band
B.produce excessive speed response to a load change
C.respond slowly to any change in engine load
D.stabilize engine speed at the new governor setting
