fecal streptococci的意思|示意
美 / /
英 / /
fecal streptococci相关例句
Escherichia coli or fecal streptococci contamination will be indicated by the presence of fecal coliforms.
粪大肠菌群的显示结果表明是否操作大肠埃希氏菌或链球菌的污染.
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