roundness tolerance的用法和樣例：
例句
- An approximate quadratic curve has been found to suit the relationship between the tolerances of roundness and their logarithmic fatigue lives with given survivability.
在相同存活率下，孔的圓度公差與孔的對數疲勞壽命呈二次曲線(xiàn)關(guān)系。 - Radial run-out tolerance and axiality tolerance that often used in tolerance of form and position are positioning tolerance.
徑向跳動(dòng)公差與同軸度公差是形位公差項目中常用的位置公差。
