In the all-screw group, mean thoracic kyphosis decreased from 29.6[degrees] to 19.4[degrees] (P = 0.012).是什么意思_In the all-screw group, mean thoracic kyphosis decreased from 29.6[degrees] to 19.4[degrees] (P = 0.012).在线翻译_英语_读音_用法_例句