The drawing process for producing the part is completed in one operation, and a hole for machining use is pre-punched to control the magnitude of radial stress.
采用一次拉延成型，并在其底部预冲工艺孔，可控制径向应力的大小。
Objective To investigate carpal instability after distal radial fractures have been treated with cast immobilization or operation and its effect on clinical functions.
目的研究桡骨远端骨折保守和手术治疗后腕关节不稳的转归及关节不稳对功能的影响。
Objective To seek for the best anastomosis site of the ulnar and radial nerve to improve the contralateral C7 transfer operation.
目的寻求健侧C7神经根移位治疗全臂丛神经根性撕脱伤手术中尺神经与桡神经的最佳吻合部位。
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