helical-groove 螺旋槽
helical groove design 螺旋槽设计
Coaxial helical-groove 同轴螺旋槽
helical groove structure 螺旋槽结构
helical groove skew rolling 孔型斜轧
helical-groove profile milling cutter 螺旋槽铲齿成型铣刀
helical oil groove 螺旋形油槽 ; 螺旋油槽
helical spill groove 螺旋回油槽
Helical partly-groove 部分螺旋槽
A theory for the analysis of the arbitrarily-shaped helical groove structure is obtained by means of an approximate field-theory.
采用近似场论的方法，获得了一种分析任意槽形螺旋槽结构的普遍理论。
Usually, there exist undercutting phenomena in helical groove milling process, which affect the accuracy and geometrical shape greatly.
螺旋槽成形铣削时普遍存在根切现象，在很大程度上影响到加工精度和几何形状。
As indicated in the section on simple machines, a screw ACTS with a wedging action and consists of a circular cylinder (or truncated cone) with a helical groove in it.
如在简单的机器上的区段所指出的，一个螺丝钉以一个楔住行动行事而且有圆形圆筒(或者切断了圆锥体)与一螺旋状的在它里面的凹槽。
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