A.增加功能殘氣量 B.增加潮氣量 C.有助于改善肺換氣功能 D.有助于改善肺通氣功能 E.糾正肺換氣性低氧血癥
A.1.35s B.1.40s C.1.58s D.1.60s E.1.67s
A.450ml B.500ml C.550ml D.600ml E.650ml