(来学网)听神经瘤术中如欲保留残存听力,则内听道后壁切除范围不宜超过
  • A.
    (来学网)5mm
  • B.
    (来学网)8mm
  • C.
    (来学网)10mm
  • D.
    (来学网)12mm
  • E.
    (来学网)15mm