大多数金属钻孔用的是麻花钻头。
Most drilling in metal is done with a twist drill.
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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。
The application of FMEA to twist drill based on process of using, as an example is introduced particularly.
麻花钻的功用是钻孔。
The function of an auger is to bore holes.
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