preejection

常见例句

Therapy with phentolamine produced a significant decrease in the preejection period index.
用酚胺唑啉治疗，能使喷射前期指数大大降低。
left ventricular preejection period
左室射血前期
right ventricular preejection period
右室射血前期
ratio of preejection period to left ventricular ejection time
射血前期与左室射血时间比率
preejection period (PEP)
排血前期