在发动机里，机油被供应到旋转在其支承轴内的曲轴和凸轮轴轴颈上。
In the engine, oil is supplied to crankshaft and camshaft journals rotating in their supporting bearings.
尺寸小于标准的凸轮轴主轴承轴颈。
它可以测量凸轮轴各轴颈的直径、圆度、锥度及跳动等参数。
It can measure several different parameters at the same time, such as diameter, roundness, taper and round-out etc.
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