(来学网)室温20C,大气压1.000x 105 Pa时,二氧化碳
  • A.
    (来学网)0.08%
  • B.
    (来学网)0.08%
  • C.
    (来学网)0.09%
  • D.
    (来学网)0.10%
  • E.
    (来学网)0.10%