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1·It has 16 valves and a DOHC (double overhead camshaft) design.

它拥有16气门和一个的DOHC(双顶置凸轮轴)设计。

2·Since 1958, an engine with a single overhead camshaft has been used.

从1958年起，便已使用带有单顶置凸轮机的发动机。

3·The fastening structure can be widely applied in engines which adopt four-valve double-overhead camshaft structures.

可以广泛应用于四气门双顶置凸轮轴结构的 发动机。

4·The overhead camshaft (OHC) and combination valve spring structure are in common use in modern motorcycle gasoline engine.

近代摩托车用汽油机普遍采用顶置凸轮轴结构（OHC）和组合式气门弹簧。

5·A new camshaft-phasing mechanism with twin harmonic drives is described and illustrated, which can be adopted to DOHC (double overhead camshaft) engines.

介绍一种用于双顶置凸轮轴式发动机的采用两级谐波传动的新型进气凸轮轴调相机构。

6·The camshaft also fits inside the block, except on overhead-cam engines (OHC).

除了顶置凸轮（OHC）发动机以外，凸轮轴都安装在气缸体里面。