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.
有的防爆工具使用过后有些磨损和残缺，尤其带刃的防爆工具，或严重损坏，不应在继续使用，应及时打入废品。
Some explosion-proof tools use some wear and incomplete after, especially with the blade explosion-proof tools, or serious damage, should not continue to use, should be timely into the trash.
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