A.正丁醇 B.对硝基苯胺和亚硝酸钠 C.三氯甲烷 D.亚铁氰化钾
A.正丁醇 B.正戊醇 C.亚硝酸钠 D.三氯乙酸
A.1mg/100g B.10mg/100g C.100mg/100g D.1g/100g