(来学网)正常成人潮气容积中无效腔气为
  • A.
    (来学网)100ml
  • B.
    (来学网)150ml
  • C.
    (来学网)200ml
  • D.
    (来学网)250ml
  • E.
    (来学网)300ml
正确答案:
B