短语词组短语Barium sulphate test 硫酸钡试验barium swallowing test 硫酸钡吞咽试验barium identification test 钡鉴别试验barium -chloride test [分化]氯化钡测硫试验;翻译air -barium double contrast test 气钡双重造影 返回 barium test