骨痂带有轴向偏移、低密度区、不充分的横径在延长的整个过程中必须采取相应的措施以确保延长骨良好的愈合。
Callus with axial deviation, low density areas or an insufficient transverse diameter during the lengthening procedure must be treated carefully.
目的：探讨轴向应力调节在延长段骨痂愈合中的作用。
AIM: To explore the effects of axial stress regulation on healing of lengthened callus.
本机床滚刀主轴轴向调整量可达40毫米，延长刀具的使用寿命。
The axial adjustment of the hob spindle can reach up to 40mm to extend its using life.
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