(来学网)分析时,取用某试药"约0.2g"的取样范围为
  • A.
    (来学网)0.15~0.25g
  • B.
    (来学网)0.16~0.24g
  • C.
    (来学网)0.1~0.3g
  • D.
    (来学网)0.18~0.22g
  • E.
    (来学网)0.20g