twist drill [机] 麻花钻 ; 旋钻 ; 麻花钻头
fluted twist drill [机] 麻花钻
subarachnoid twist drill 蛛网膜下旋钻
straight shank twist drill 直柄麻花钻
flat twist drill 平底麻花钻
guide twist drill 有导径的深孔麻花钻
taper-shank twist drill 锥柄麻花钻头
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N a drill bit having two helical grooves running from the point along the shank to clear swarf and cuttings 螺旋钻
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。
This paper illustrates the principle of the inner cone grinding twist drill and the process of grinding experiments on the tool grinder.
阐述了内锥面法刃磨麻花钻的原理以及在工具磨床上进行磨削工艺试验的方法。
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。
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