helical spline broach [机] 螺旋花键拉刀
create a helical spline 建立一个螺旋样条线
helical spline type actuator 螺旋花键式作动油缸
The long-lead multiple-start helical spline 大导程多线矩形螺旋花键
internal helical involute spline 内螺纹渐开线花键
helical straight-sided spline 圆柱斜齿矩形花键
helical cylindrical involute spline 圆柱斜齿渐开线花键
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