Of the valve function barrier, the aortic insufficiency was most frequent.
瓣膜功能障碍中主动脉瓣关闭不全检出率最高。
In addition, left ventricular ejection fraction remained normal and there was minimal impact on aortic valve function after TEVAR.
此外，随访期左室射血分数正常，术后主动脉瓣功能几无影响。
Echocardiography is now the most important noninvasive technology in assessing prosthetic heart valve function, especially transesophageal echocardiography.
目前超声心动图是临床上评价人工心脏瓣膜功能的最重要的无创性技术，尤其是经食管超声心动图。
Slide valve function of three position directional valve not only affects the working state of hydraulic system but also affects the working performance of implement part when changing direction.
三位换向阀滑阀机能不但影响液压系统的工作状态，也影响执行元件换向时的工作性能。
Slide valve function of three position directional valve not only affects the working state of hydraulic system but also affects the working performance of implement part when changing direction.
三位换向阀滑阀机能不但影响液压系统的工作状态，也影响执行元件换向时的工作性能。
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