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1·Most drilling in metal is done with a twist drill.

大多数金属钻孔用的是麻花钻头。

2·Twist drill is the tool often used in machine process.

钻是机械加工中使用量较大的一种加工刀具。

3·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。

4·Specification: twist drill, three-blade drill, reamer, end-milling cutter.

规格：麻花钻、三刃钻、铰刀、立铣刀。

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

麻花钻也许可以被划分成三个主要的部分：钻柄、钻体和钻尖。

6·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。

7·The application of AE technique to monitoring of twist drill snap has been studied in this paper.

本文研究了声发射技术在钻头折断在线监测中的应用。

8·This paper mostly studies the spiral configuration of the country standard twist drill concretely.

本文主要对国家标准麻花钻螺旋的结构作具体分析和研究。

9·The application of FMEA to twist drill based on process of using, as an example is introduced particularly.

应用实例详细介绍了基于使用过程的FMEA在麻花钻钻孔中的应用。

10·Some methods and measures were presented to pledge the twist drill to have high efficacy at practical Angle.

同时，从实用的角度提出其它一些方法和措施以保证钻头真正发挥其应有的效能。