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 ...
British aristocrat and boxing promoter who formulated the Marquis of Queensbury rules ( 1867 ) to govern boxing.英国贵族,拳击运动的促进者,他制定了昆斯伯里伯爵规则 ( 1867年 ) 来管理拳击.Aaron Copland was an energetic promoter of American music.阿伦·科普兰从...