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。
An initial scan appeared to reveal ligament damage, but Davies will discover whether the joint is fractured today.
初步的扫描显示他的韧带已经受到了伤害,今天我们将知道,戴维斯的韧带是否已经断裂。
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