(来学网)气胸线位于外1/4时,肺压缩
  • A.
    (来学网)25%
  • B.
    (来学网)35%
  • C.
    (来学网)50%
  • D.
    (来学网)65%
  • E.
    (来学网)75%
正确答案:
B