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来源:雅诚德英语网
The U.S. bacterial limit is no more than 500 colony-forming units of bacteria per milliliter of water.
美国的细菌数量上限是每毫升水不超过500个菌落形成单位。
The U.S. bacterial limit is no more than 500 colony-forming units of bacteria per milliliter of water.
美国的细菌数量上限是每毫升水不超过500个菌落形成单位。