单项选择题
熏蒸消毒,高猛酸钾和甲醛配比浓度为高猛酸钾为()/立方,甲醛为()/立方。
A.30g,15ml
B.15g,15ml
C.15g,20ml
D.40g,30ml
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单项选择题
A.30g,15ml
B.15g,15ml
C.15g,20ml
D.40g,30ml
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