The measuring instrument can measure addendum circle and dedendum circle diameter of odd-tooth gears.

这种测量工具用以测量奇数齿齿轮的齿顶圆和齿根圆直径。

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Bolt circle diameter and pitch between bolt holes.

螺栓圆周直径及螺栓孔间距。

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The spiral angle of graduated circle was rough estimated by measuring the addendum circle diameter and modified on milling machine.

测量齿顶圆直径估算分度圆螺旋角，用分度头在铣床上修正分度圆螺旋角，并进行误差分析。

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With the chalk you drew a circle some five or six feet in diameter, partitioned it into as many pielike segments as there were players, and chalked into each the name of one of various foreign countries that had been in the news throughout the year.

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Using a paring knife, cut the dough into a circle that is 1 inch larger than the diameter of the pan you're using.

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