A.18~22℃ B.22~24℃ C.24~26℃ D.26~28℃ E.28~30℃
A.低流量、低濃度持續(xù)給氧 B.高流量、高濃度持續(xù)給氧 C.低流量間斷給氧 D.乙醇濕化給氧 E.加壓給氧
A.30s B.10s C.60s D.15s E.40s