外径 external diameter；OD(outer diameter)更多释义>> [网路短语]
外径 outside diameter;OD;outer diameter 电缆外径 mm;G;thread 外径刀片 outer diameter blade
workpiece diameter In this paper, the through feed superfinishing process for O. D. of the precise, thin, long and straight cylindrical workpiece by use of the hyperboloid guide roller pair is discussed. The method of guide roller shape design for the deformation factor to be considered by the method of mechanics *** ysis has been pre- sented here. Besides, under both the theoretical calculation and the technological tests, the process criterion is also given. And through the technological tests, the superfinishin... 讨论采用双曲面导辊副对精密细长直圆柱工件外径进行贯穿式超精研的工艺方法.提出用力学分析的方法考虑变形因素的影响来进行导辊的辊形设计.根据理论计算和工艺试验,还提出了超精研工艺规范;而且通过工艺试验证明,所取得的超精研效果十分显著,获得了细长直圆柱工件外径的超精密加工质量.
Outside diameter of workpiece
outer diameter outer circle
其实无所谓 30 到32的都可以 建议用32的
螺纹分有峰顶称外径，峰谷称内径，中径指峰顶至峰谷间的中部直径。
中径：是指在轴向剖面内，牙厚等于牙肩宽的圆柱直径。其内螺纹代号是D2，外纹螺代号是d2.
外径（大径）：与外螺纹牙顶或内螺纹牙底相重合的假想圆柱体直径。螺纹的公称直径即大径。
举例说明电缆的线径和外径: 电缆线的名称如：10平方毫米的线，如果是单芯单股电缆，那他的截面积就是10平方毫米，如果是单芯多股电缆就是x乘以x等于10平方毫米 希望能帮助你，谢谢
路径 [词典] path; route; way; method; ways and means; [例句]我们验证了这个新的磁碟和路径都是可用的。 We verify that the new disk and paths are available.
半径
[词典] radii; [数]radius; [天]semidiameter
[例句]
A circle has diameter, radius and circumference.
圆有直径，半径和圆周。
内径 Inner diameter (Core diameter) 外径 Outer diameter
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