Methods 50 cases in recent years to recover the closed double side of a fractured vertebra sticking out of joint implementation of the patients before surgery.
方法对近几年50例难闭合复位的颈椎双侧关节突骨折脱位患者实施联合前后路手术。
The fracture and the surface of a hip joint fractured invivo has been studied by SEM. It is concluded that the fracture was due to corrosion fatigue cracking by bending stress.
利用SEM对实际使用时断裂的髋关节的断口和表面进行了分析,认为此关节的断裂为以弯曲应力为主的腐蚀疲劳断裂。
In the jointed fractured rock mass, the instability of tunnel is always because the blocks slip along the joint surface.
在节理破碎岩体中,隧道的失稳破坏往往是由于岩块沿节理面的剪切滑移造成的。
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