A study of relationship between grades of coronary artery stenosis and myocardial acoustic intensity with intravenous bolus injection of a fluorocarbon contrast agent是什么意思_A study of relationship between grades of coronary artery stenosis and myocardial acoustic intensity with intravenous bolus injection of a fluorocarbon contrast agent在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句