Liquid cooled, four stroke, transverse four cylinder, DOHC, 4 valves cylinder.

水冷, 四冲程, 横向四缸, 双顶置凸轮轴, 4缸气门.

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As engine rpm increases, there is less time for each step of the four stroke cycle.

当引擎转速增加, 四冲程循环每一步的时间变得越短.

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Liquid cooled, four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.

液体冷却, 四冲程, 横向四缸, 双顶置凸轮轴, 4每汽缸阀门.

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The piston is an important part of a four stroke cycle engine.

活塞是四冲程发动机的重要部件.

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Most automobile engines operate on a four stroke cycle.

大多数发动机为四行程发动机.

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Four stroke horizontal engine.

四冲程发动机的水平.

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And the specification ( draft ) of engine oil of four stroke motor was given also.

并提出了四冲程摩托车发动机油规格 ( 草案 ).

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