题目内容

The camshaft drive is designed to maintain proper camshaft speed relative to crankshaft speedIn maintaining this relationship, the camshaft drive causes the camshaft to rotate at()

A. one half crankshaft speed in a two-stroke cycle diesel engine
B. crankshaft speed in a two-stroke cycle diesel engine
C. two times crankshaft speed in a two-stroke cycle diesel engine
D. one-fourth times crankshaft speed in a four-stroke cycle diesel engine

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