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What is the speed of the crankshaft in a four-stroke/cycle engine when the camshaft is tur


What is the speed of the crankshaft in a four-stroke/cycle engine when the camshaft is turning at 750 rpm?.

A.375 RPM

B.500 RPM

C.750 RPM

D.1500 RPM

请帮忙给出正确答案和分析,谢谢!

参考答案
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