The paper reported 82 cases with systolic click prored by phonocardiogram (PCG), most of them associated with mitral prolapse proved by echocardiogram.是什么意思_The paper reported 82 cases with systolic click prored by phonocardiogram (PCG), most of them associated with mitral prolapse proved by echocardiogram.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句