Aim:This study evaluates the preoperative right ventricular ejection fraction(RVEF) as a predictor of postoperative complications after lung resection.是什么意思_Aim:This study evaluates the preoperative right ventricular ejection fraction(RVEF) as a predictor of postoperative complications after lung resection.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句