单项选择题
非洁净手术部(室)的空气中的细菌菌落总数为多少是合格的。()
A.5CFU/(15min*直径9cm平皿)
B.4CFU/(15min*直径9cm平皿)
C.5CFU/(5min*直径9cm平皿)
D.4CFU/(5min*直径9cm平皿)
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单项选择题
A.5CFU/(15min*直径9cm平皿)
B.4CFU/(15min*直径9cm平皿)
C.5CFU/(5min*直径9cm平皿)
D.4CFU/(5min*直径9cm平皿)
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