Study of Different Drainage on Emergency Left Colon Resection with Primary Anastomosis for Obstructing Carcinoma of the Left Colon是什么意思_Study of Different Drainage on Emergency Left Colon Resection with Primary Anastomosis for Obstructing Carcinoma of the Left Colon在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句