单项选择题
恩氟烷挥发罐开至2%,新鲜气流量为7L/min时,1小时约消耗恩氟烷()
A.42.5ml
B.52.5ml
C.62.5ml
D.72.5ml
E.82.5ml
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单项选择题
A.42.5ml
B.52.5ml
C.62.5ml
D.72.5ml
E.82.5ml
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