Objective: to explore postoperative nursing care of patients with fracture of long bone in the lower limbs fixed with cross-lock intramedullary nail.

前言：目的：探讨交锁髓内钉治疗下肢长骨骨折的术后康复护理方法。

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The cross section shapes of the pits are same with that of the lock hole of the intramedullary nail, which are roundness or ellipse.

凹坑的横截面形状和髓内针锁孔的横截面形状相同，横截面形状是圆形或者是椭圆形。

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