短語詞組短語internal helical involute spline 內(nèi)螺紋漸開線花鍵helical spline shaft 螺旋軸helical spline broach [機]螺旋花鍵拉刀helical spline type actuator 螺旋花鍵式作動油缸helical cylindrical involute spline 圓柱斜齒漸開線花鍵The long -lead multiple-start helical spline 大導程多線矩形螺旋花鍵helical coil steam generator spline 螺旋花鍵helical straight -sided spline 圓柱斜齒矩形花鍵 返回 helical spline