In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.<br>A:two crankshaft revolutions in a two-stroke/cycle engine<br>B:two power strokes in a two-stroke/cycle engine<br>C:one power stroke in a two-stroke/cycle engine<br>D:two piston strokes in a two-stroke/cycle engine

In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
A:two crankshaft revolutions in a two-stroke/cycle engine
B:two power strokes in a two-stroke/cycle engine
C:one power stroke in a two-stroke/cycle engine
D:two piston strokes in a two-stroke/cycle engine

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