diameter pitch difference
diameter pitch difference 节距差 ..
基于6个网页-相关网页
diameter pitch difference
径节差
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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This article brings to Light the internal relations and difference between single pitch diameter and actual pitch diameter by means of geometrical analysis of several parameters of pitch diameter.
通过对普通螺纹中径诸参数的几何分析，揭示出其单一中径与实际中径的内在联系与区别。
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