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A1/A2型题 欲配制1%过氧乙酸1000ml,需要20%的过氧乙酸原液和灭菌蒸馏水的ml数分别为()

A.50ml,950ml
B.100ml,900ml
C.150ml,850ml
D.200ml,800ml
E.250ml,750ml

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