搭载耐用的四气缸发动机的H 型汽车，为雪佛兰赢得“ 坚固可靠” 美誉的同时，亦推动了雪佛兰品牌的迅猛发展，直到1928 年。
The Model H line launched with a durable four-cylinder engine that helped build Chevrolet's reputation as a dependable car. The basic design would power Chevrolets through 1928.
本文的研究对象，是一台由四气缸母型机变形后的三气缸发动机曲轴圆角设计。
In this paper, we will study a three-cylinder engine which is reformed from a four-cylinder prototype engine.
在发动机气缸里发生的动作，可以分为四个过程或冲程。
The actions taking place in the engine cylinder can be divided into four events or strokes.
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