(来学网)用滤膜称量法检测粉尘浓度时,定点检测粉尘使用的分析天平,其感量应为
  • A.
    (来学网)0.000001g
  • B.
    (来学网)0.001g
  • C.
    (来学网)0.01g
  • D.
    (来学网)0.01mg
  • E.
    (来学网)0.1mg