(来学网)直肌附着处的巩膜厚度约为
  • A.
    (来学网)0.1mm
  • B.
    (来学网)0.8mm
  • C.
    (来学网)0.5mm
  • D.
    (来学网)0.3mm
  • E.
    (来学网)0.4mm