If it needs only two strokes to complete a cycle, it is called a two-stroke cycle engine or, for short, a two-cycle engine.

如果发动机完成一个工作循环，只需要两个行程，就称为两冲程循环发动机，或者简称两冲程发动机。

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If it needs only two strokes to complete a cycle, it is called a two-stroke cycle engine or, for short, a two-cycle engine.

如果发动机完成一个工作循环，只需要两个行程，就称为两冲程循环发动机，或者简称两冲程发动机。

youdao