single threaded screw
... single-screw pump 单螺杆泵 single threaded screw 单头螺纹螺钉 ; 单头螺丝 single thread screw 单头螺纹螺钉 ...
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目的初步比较经颈前路单枚单头螺纹中空加压螺钉与双头螺纹中空加压螺钉内固定治疗齿突骨折的效果。
Objective To compare the clinical effectiveness of fixations of odontoid process fractures preliminarily with anterior single one-threaded and double-threaded canulated compressive screws.
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