pulmonary stenosis短语¹⁸⁰⁰⁹⁸⁺¹ 基本英英例句 肺动脉瓣狭窄 Noun: abnormal narrowing of the opening into the pulmonary artery from the right ventricleConclusion Doppler echocardiogram is important in diagnosing and differentiating pul monary stenosis.结论多普勒超声在肺动脉瓣狭窄诊断与鉴别诊断中具有重要的价值。