(来学网)良好的X线诊断照片影像的密度范围是
  • A.
    (来学网)0.2~1.0
  • B.
    (来学网)0.2~1.5
  • C.
    (来学网)0.25~2.O
  • D.
    (来学网)0.3~1.8
  • E.
    (来学网)0.5~2.0