Comparison on Analgesic Effect in Postoperative Gynecologic Patients by Intravenously Infusion of Tramadol and by Applying Epidural Auto-controlled Analgesia Pump是什么意思_Comparison on Analgesic Effect in Postoperative Gynecologic Patients by Intravenously Infusion of Tramadol and by Applying Epidural Auto-controlled Analgesia Pump在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句