目的探讨改良带刃弧形梅花针内固定治疗股骨下段骨折的临床疗效及优点。
Objective To study the clinical effects and advantages of modified arc intramedullary nail(MAIN) for the treatment of the fracture of distal femoral shaft.
在设计不重磨车刀时，在许多情况下采用带刃倾角刀片可获得满意的效果。
In the design of throw-away type clamped tip turning tool, in many cases, the use of insert with an inclination Angle results in a satisfactory effect.
减小刃带高度或增加刃带宽度，能使金属流动应力差得到显著降低。
To reduce the hight of edge-line or increase the width of it can reduce greatly the stress difference of metal flow.
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