A.細菌數(shù)≤3萬個/g B.細菌數(shù)≤1萬個/g C.細菌數(shù)≤100個/g D.細菌數(shù)≤10萬個/g
A.100000級潔凈廠房 B.50000級潔凈廠房 C.100級潔凈廠房 D.1000級潔凈廠房 E.10000級潔凈廠房