A twist drill is designed to drill a hole which has a particular size.

麻花钻用来钻削具有一定尺寸的孔.

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Twist drill is the tool often used in machine process.

麻花钻是机械加工中使用量较大的一种加工刀具.

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Most drilling in metal is done with a twist drill.

大多数金属钻孔用的是麻花钻头.

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The mathematical model of the hyperboloid twist drill was introduced.

介绍了以旋转单叶双曲面作麻花钻钻尖后刀面的数学模型.

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How to machine twist drill high efficiently and high precisely is a problem to discuss.

如何高效、高精度地加工出合格的麻花钻一直是在探讨的问题.

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The twist drill may be divided into three principal parts: shank, body and point.

这个钻头可分为三个主要组成部分: 胫 、 身体和观点.

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