double- contrast gastrointestional study双重: double; dual; twofold; dupli ...对比: contrast; comparison; balanc ...胃肠: stomach intestine造影: radiography钡剂双重对比造影: barium double contrast radiography下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:双重对比胃肠造影，即可在微信中查询翻译
