(来学网)用于除菌过滤的微孔滤膜的孔径是
  • A.
    (来学网)0.22m
  • B.
    (来学网)0.22cm
  • C.
    (来学网)0.22dm
  • D.
    (来学网)0.22mm
  • E.
    (来学网)0.22μm
正确答案:
E