Alternatively, intramedullary nails (IM) designed specifically for proximal humerus fixation may be advantageous in some of these fractures.是什么意思_Alternatively, intramedullary nails (IM) designed specifically for proximal humerus fixation may be advantageous in some of these fractures.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句