水利工程专业词汇英语翻译D-7-SCIdict学术... ... 中数直径 Diameter， medium 正常直径 Diameter， normal 四分直径 Diameter， quartile ...
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Mean normal diameter pitch 中点法向径节
Normal Diameter 普通通径 ; 公称直径
Normal diameter d 公称通径
normal nozzle diameter 公称喷嘴口径
diameter normal
直径正常
以上为机器翻译结果，长、整句建议使用 人工翻译 。
This article mainly introduces the method that adopts gear caliper to measure the median diameter normal tooth thickness of double-line trapezoidal thread.
本文主要介绍了采用齿轮卡尺测量双线梯形螺纹中径法向齿厚的方法，同时也测量出螺距产生的误差。
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Drilling a 2 or 3 foot hole can be done with normal equipment, while drilling a ten, fifty, or one hundred foot diameter vertical hole would require an entirely new invention.
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