...骨头颈交界处骨赘形成，术中活动髋关节有撞击为凸轮型（Cam）撞击；髋臼过度覆盖股骨头，术中活动髋关节有撞击为钳夹型（Pincer）撞击；两种情况均存在为混合型撞击。
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型钳夹车的端盖及其连接螺栓的强度直接影响D _(38)型钳夹车的使用安全。
Strengths of the end shield and its fixed bolt of D38 schnabel car affect the car's utility and safety.
多数海底管线修复技术都会涉及到一些借助机械手段或者焊接联接管线的配件，例如联轴器、钳夹、T型分支连接等。
Most subsea pipeline repair technologies involve fittings that can be connected to the pipeline via mechanical means, such as couplings, clamps, T-branch connections, or by welding.
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