coliform造句
However , contamination of
coliform group might occur during beer brewing.
啤酒生产过程中可能会污染大肠菌群.
Lactose fermentation is used to verify the existence of
coliform bacteria in national criteria.
大肠菌群的国标检验法采用乳糖发酵法.
Indeed, half of the bags that researchers examined tested positive for
coliform bacteria.
事实上, 研究人员收集的袋子中有一半含有大肠杆菌.