单项选择题
动脉血CaO2和静脉血CvO2的正常值分别为()
A.19ml/dl 和14ml/dl
B.19ml/dl 和4ml/dl
C.29ml/dl 和14ml/dl
D.29ml/dl 和4ml/dl
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单项选择题
A.19ml/dl 和14ml/dl
B.19ml/dl 和4ml/dl
C.29ml/dl 和14ml/dl
D.29ml/dl 和4ml/dl
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