The exposure allows for decortication of the pars, facet joint, and transverse processes for bone-grafting and fusion.
暴露过程中可对峡部、关节突关节和横突皮质剥除以便进行植骨融合。
2
The joint which is connected by welding method is called the welding joint, which is composed of welding seam, fusion zone, heat affected zone and its adjacent base metal.
用焊接方法连接的接头称为焊接接头，它由焊缝、熔合区、热影响区及其邻近的母材组成。
3
A new view of characteristic zone offusion welding joint is put forward through observations and researches of many fusion welding joints.