短語詞組短語periodic prolongation 周期延拓QRS prolongation QRS 時限延長QT prolongation QT 間期延長jet prolongation 射流延長;代表其第一射流延長Prolongation f 延期prolongation system 延伸系統(tǒng)interval prolongation 間期延長QTc prolongation QTc 間期延長iliac prolongation 髂骨延長術(shù) 返回 prolongation