The pen is placed at any point on the rolling circle.
笔可以放在这个滚动的圆形的任何一个点上。
When the CAM is chiefly transferred movement, the choice of radius of base circle firstly is considered the roller's continuous rolling.
当凸轮机构主要用于传递运动时，基圆半径的选择可使滚子做连续滚动为优先考虑条件。
A line generated by a point on a circle rolling along a straight line.
一个圆上的某个点在该圆顺着一条直线旋转时形成的线。
Gears on nonparallel, non-intersecting shafts also have pitch circles, but the rolling-pitch-circle concept is not valid.
非平行的齿轮，非交叉传动的轴也有节点，但不存在纯滚动节圆的概念。
Rolling theoretical rotation axis line of the inner ring to the center axis line of bearings, thrust bearings on the shaft circle refers to the axis line.
滚动轴承的理论旋转轴心线，对向心轴承即内圈轴心线，对推力轴承则指轴圈轴心线。
It confirms that tempering quality after being circle checked is the main cause for deformation of the steam seal ring made by rolling.
通过分析，确认校圆后的回火质量是钢板卷制汽封圈产生变形的主要原因。
It confirms that tempering quality after being circle checked is the main cause for deformation of the steam seal ring made by rolling.
通过分析，确认校圆后的回火质量是钢板卷制汽封圈产生变形的主要原因。
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