• Most drilling in metal is done with a twist drill.

    大多数金属钻孔麻花钻头

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  • Twist drill is the tool often used in machine process.

    机械加工使用量较大的一种加工刀具

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

    麻花用来钻削具有一定尺寸

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

    麻花也许可以划分三个主要部分钻柄、钻

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

    如何高效高精度加工出合格的麻花一直探讨问题

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

    如何高效高精度加工出合格的麻花一直探讨问题

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