(来学网)滤过除菌法所用的滤膜孔径大小为
  • A.
    (来学网)0.22nm
  • B.
    (来学网)0.58μm
  • C.
    (来学网)0.22μm
  • D.
    (来学网)0.45μm
  • E.
    (来学网)0.75μm
正确答案:
C