英语语法分析

The fracture lines disappeared within 3-6 months in those bone nonunion cases, and 4-8 months in those bone defection cases. All bone fractures were concrescent.

骨不连患者骨折线均在3 ~ 6个月消失，骨缺损患者骨折线均在4 ~ 8个月消失，骨折全部愈合。