单项选择题
A.31~35℃,100% B.33~36℃,100% C.32~36℃,>90% D.32~34℃,>90% E.34~36℃,>98%
A.30% B.40% C.50% D.60% E.70%
A.减少功能残气量 B.是抢救ARDS的重要手段 C.增加呼气末正压 D.预防气胸的出现 E.提高肺的顺应性