In a four-stroke/cycle diesel engine, the camshaft rotates at （）<br>A:twice the crankshaft speed<br>B:half the crankshaft speed<br>C:the same speed as that of the crankshaft<br>D:a speed independent of that of the crankshaft

In a four-stroke/cycle diesel engine, the camshaft rotates at （）
A:twice the crankshaft speed
B:half the crankshaft speed
C:the same speed as that of the crankshaft
D:a speed independent of that of the crankshaft

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