A.10~20L/min B.5~10L/min C.3~4L/min D.2~3L/min E.1~2L/min
A.70% B.60% C.50% D.40% E.30%
A.氧帳吸氧 B.面罩吸氧 C.頭罩吸氧 D.雙孔鼻導(dǎo)管吸氧 E.鼻導(dǎo)管吸氧