(来学网)左侧支气管系特殊平面与正中矢状面夹角为
  • A.
    (来学网)5°~10°
  • B.
    (来学网)15°~20°
  • C.
    (来学网)25°~30°
  • D.
    (来学网)40°~50°
  • E.
    (来学网)60°~70°