单选题The flywheel reduces speed fluctuations by （）Amaintaining a constant rack settingBstoring kinetic energyCmaintaining equal exhaust pressureDmaintaining even camshaft speed
单选题
The flywheel reduces speed fluctuations by （）
A
maintaining a constant rack setting
B
storing kinetic energy
C
maintaining equal exhaust pressure
D
maintaining even camshaft speed
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