A.器質(zhì)性二尖瓣狹窄 B.相對(duì)性二尖瓣狹窄(Austin-Flint雜音) C.主動(dòng)脈瓣關(guān)閉不全 D.主動(dòng)脈瓣狹窄 E.三尖瓣狹窄符合下列聽(tīng)診特點(diǎn)的瓣膜病是