circular nose inlet 圆头进气道
According to the discriminating and evaluating equations of the surface finish in turning by the circular nose cutting edge, two nomographs are constructed in this paper.
本文从刀尖圆弧刃车削判定式及光洁度计算式出发，制作出了两幅诺谟图解。
Ring: Circular band of gold, silver, or other precious or decorative material usually worn on the finger, but sometimes on the toes, the ears, or the nose.
指环：金、银或其它珍贵或装饰性材料制成的环，通常戴在手指上，有时也戴在脚趾、耳朵或鼻子上。
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