Diesel engine electric starting motors generally require heavier duty motors and motors an
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Diesel engine electric starting motors generally require heavier duty motors and motors and operate at higher voltages than comparable starting motors for gasoline engines due to _____________.
A.higher speed required
B.flywheel-effect
C.lower starting temperatures
D.higher compression pressures
请帮忙给出正确答案和分析,谢谢!
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