双语例句
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There are many ways to measure base-level pitch diameter of cone-shaped thread.
检测圆锥管螺纹基面中径的方法有很多，但测量过程复杂。
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The taper and pitch diameter of API round thread casing are two of the most important parameters.
API圆螺纹的锥度和中径是两个重要的参数。
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A simple, easy to use, correct and reliable for measurement of single pitch diameter of inner thread is provided.
提供了一种简便易行、准确可靠的测量内螺纹单一中径的手段。
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