head of ulna是什么意思 head of ulna怎么读
head of ulna的用法和样例
- The radioulnar line and subluxation ratio methods always showed the ulnar head to be located outside of the dorsal line in pronation and outside of the volar line in supination.
桡尺线法及半脱位比率法显示在旋前位下尺骨头总在背部线的外面，旋后位下在掌侧线的外面。
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