In describing engine operation, what does the term “cycle” mean?（）<br>A:The sequence of events that produce a power pulse<br>B:One rotation of the engine crankshaft<br>C:One stroke of a piston<br>D:All of the above

In describing engine operation, what does the term “cycle” mean?（）
A:The sequence of events that produce a power pulse
B:One rotation of the engine crankshaft
C:One stroke of a piston
D:All of the above

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