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.

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问题 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.42.5mlB.52.5mlC.62.5mlD.72.5mlE.82.5ml

选项 A.42.5ml
B.52.5ml
C.62.5ml
D.72.5ml
E.82.5ml

答案 A

解析
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