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

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。

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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).

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)。

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The bridge's formal composition is the result of two intersecting conic masses, positioned about their common axis and directed towards the towers' core.

天桥是由两个相交的圆锥体块所组成的，它们共同的轴线经过定位，直接指向高楼的核心。

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You can bookmark any page and get at it later through a common portal -- hence the Axis name.

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Another common reply is (3) climb atop the blades and position your center of gravity over the axis.

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