很明显，车轮的不圆度是很重要的，尤其是高速运转时。
Although it might seem obvious, the roundness of wheels is important, especially at very high speeds.
实践证明，不圆度和壁厚不均度对套管抗挤强度的影响是相当可观的。
Practice shows that both ovality and eccentricity affect the casing collapse resistance obviously.
针对钢管的不圆度在名称上叫法及计算表达方式上的不规范情况提出相关看法。
Addressing the informalities in the terms used to refer to out- of- roundness of steel tube and the calculation and expression ways therefor, relevant point of views are put forward by the author.
这里讨论了“叠加基圆法”中基圆半径的选取原则及其对不圆度评定的影响，并作出关系曲线。
Here the selection of base circle radius and its effect upon the assessment of departure from roundness is discussed, and the corresponding curve is given.
结果表明，随着充液压力的增大，截面不圆度逐渐减小，管材内侧壁厚增厚趋势减小，外侧减薄趋势增大。
The results show that, with an increasing internal pressure, non-circularity of the tube decreases, and the tendency of thickness thinning on inner and out side of the tube increases.
选用焊接技巧应保证不超出指定的直线度和圆度允差。
Welding techniques shall be selected to ensure that specified tolerances for straightness and out-of-roundness are not exceeded.
不圆：产品是椭圆形(蛋形)从最大直径处到最小直径相差90度。
OUT OF ROUND: Product that is elliptical (egg-shaped) and having its maximum diameter 90 degrees from the smallest diameter.
用进口高效光球机加工钢球，不仪加工- .效率高，而且所加工的钢球具有良好的基础圆度，为加工精密钢球提供了良好的工艺条件。
Steel balls flashed by imported special flashing machines have fine basic roundness, which is the technical foundation for making precision steel balls.
用进口高效光球机加工钢球，不仪加工- .效率高，而且所加工的钢球具有良好的基础圆度，为加工精密钢球提供了良好的工艺条件。
Steel balls flashed by imported special flashing machines have fine basic roundness, which is the technical foundation for making precision steel balls.
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