常见例句Keywords interventional therapy;echocardiography;pulmonary valve stenosis;patent ductus arteriosus;secondum atrial septal defect;ventricular septal defect; 介入治疗;超声心动图检测;肺动脉瓣狭窄;动脉导管未闭;房间隔缺损;室间隔缺损; 返回 secondum