A.正丁醇 B.對(duì)硝基苯胺和亞硝酸鈉 C.三氯甲烷 D.亞鐵氰化鉀
A.正丁醇 B.正戊醇 C.亞硝酸鈉 D.三氯乙酸
A.1mg/100g B.10mg/100g C.100mg/100g D.1g/100g