基本解釋[醫(yī)藥科學(xué)]胃食管閥瓣英漢例句雙語(yǔ)例句Objectives: Gastroesophageal flap valve can be divided into a four-grade system and this system can well predict the prevalence of gastroesophageal reflux disease.研究動(dòng)機(jī)：胃食道皮瓣可區(qū)分為四級(jí)。而這種分類系統(tǒng)，可以預(yù)測(cè)胃食道逆流疾病的發(fā)生率。gastroesophageal flap valve更多例句專業(yè)釋義醫(yī)藥科學(xué)胃食管閥瓣