Importantly, there was dramatic evidence of intramembranous new bone formation along the shaft of autografts, resulting in a "collar" of new bone surrounding the autografts by 4 weeks postoperative.
有重要的证据显示，在移植骨干膜内有新骨形成，使术后4周在移植部分有个新骨形成的“袖子”。
2
It is actually a 3mm collar which can be fit into the main shaft.
它实际上是一3毫米衣领可融入主井。
3
This thesis introduces the method of optimal design for the circular arc transition radius of the shaftcollar of a circular shaft with ANSYS, which has an important use value in engineering practice.