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麻花钻切屑槽的螺旋形布局对钻头的刚度和强度有很大的影响。
The spiral composition of the chip flute of the twist drill has great influence on the rigidity and intensity of drill.
youdao
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麻花钻切屑槽的螺旋形布局对钻头的刚度和强度有很大的影响。
The spiral composition of the chip flute of the twist drill has great influence on the rigidity and intensity of drill.
youdao