凸轮轴齿轮齿间隔
camshaft gear tooth space
凸轮轴驱动齿轮盖
camshaft drive gear cover
凸轮轴驱动齿轮盖组件
camshaft drive gear cover group
凸轮轴驱动齿轮口
camshaft drive gear opening
凸轮轴驱动齿轮总成
camshaft drive gear assembly
凸轮轴中间齿轮轴承
camshaft idler gear bearing
camshaft idler bearing
凸轮轴中间齿轮总成
camshaft idler gear assembly