To identify mixed species of quality control, the strains are hemorrhagic Escherichia coli O157, Pseudomonas putida and Straphylococcus aureus.

• 对混合菌种质量控制检验,结果其分别为出血性大肠埃希菌O157、恶臭假单胞菌和金黄色葡萄球菌。