单项选择题
A.0.1ml B.0.3ml C.0.4ml D.0.5ml E.1.2ml
A.PaO90~98mmHg B.溶解氧0.4ml/dl C.SaO97% D.SpO97% E.血氧含量20~21ml/dl
A.2 B.4 C.5 D.10 E.20
A.20mmHg B.30mmHg C.40mmHg D.50mmHg E.60mmHg
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