(来学网)渗透管的渗透率为0.02mg/min,稀释气流量为240L/h,流出气的浓度为
  • A.
    (来学网)90MG/M3
  • B.
    (来学网)5MG/M3
  • C.
    (来学网)4.8MG/M3
  • D.
    (来学网)0.08MG/M3
  • E.
    (来学网)0.005MG/M3