bacterial contamination rate
bacterial contamination rate
细菌污染率
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Objective to investigate the bacterial contamination of throat spray before and after using, so as to explore satisfactory disinfection methods to decrease the rate of hospital acquired infection.
目的调查喉头喷雾器使用前后的污染状况，探讨有效的消毒方法以降低医院感染发生率。方法按《消毒技术规范》规定方法进行采样及消毒，并进行统计。
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