而且，省却了以前在钻孔之后必须从钻孔工具中移 走切屑螺旋的需要。
Moreover, the removal of the coiled chips from the drilling tool previously necessary after each drilling cycle is dispensed with.
通过硬质合金立铣刀高速加工铝合金的铣削试验，对螺旋状切屑的成形进行了研究。
By the experiment of high-speed milling aluminium alloy with carbide end milling cutter, the method of helical chip formation was researched.
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.
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