Aortic homograft - a section of aorta from a tissue donor with its valve intact is used to replace the aortic valve and a section of the ascending aorta.是什么意思_Aortic homograft - a section of aorta from a tissue donor with its valve intact is used to replace the aortic valve and a section of the ascending aorta.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句