(来学网)给4岁儿童进行全身麻醉时,应该准备的三根无囊气管导管的内径(mm)分别是
  • A.
    (来学网)3.0,3.5,4.0
  • B.
    (来学网)3.5,4.0,4.5
  • C.
    (来学网)4.0,4.5,5.0
  • D.
    (来学网)4.5,5.0,5.5
  • E.
    (来学网)5.0,5.5,6.0