常見(jiàn)例句雙語(yǔ)例句Objective To study the therapeutic effect of open reduction and internal fixation in the management of old vertical unstable pelvic fractures.目的探討陳舊性旋轉(zhuǎn)及垂直不穩(wěn)定骨盆骨折手術(shù)治療的效果。 返回 vertical unstable pelvic fractures