圆柱度-描述了一个条件的旋转面，使所有的点面距离相等，一个共同的旋转轴。

Cylindricity - describes a condition of a surface of revolution in which all points of a surface are equidistant from a common axis.

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所述径向轴(R - R)横过从所述轮胎(12)和车轮(14)的共同的旋转轴(A - A)上径向伸出的径向线(X)。

The radial axis (R-R) traverses a radial line (x) that radially extends from a common axis of rotation (A-A) of the tire (12) and the wheel (14).

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所述径向轴(R - R)横过从所述轮胎(12)和车轮(14)的共同的旋转轴(A - A)上径向伸出的径向线(X)。

The radial axis (R-R) traverses a radial line (x) that radially extends from a common axis of rotation (A-A) of the tire (12) and the wheel (14).

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