(来学网)残气量占肺总量百分比大于多少提示阻塞性肺气肿
  • A.
    (来学网)35%
  • B.
    (来学网)45%
  • C.
    (来学网)55%
  • D.
    (来学网)65%
  • E.
    (来学网)75%
正确答案:
A