单项选择题
A.1.0%〜1.5%B.5.0%〜6.0%C.7.0%〜8.0%D.1.8%〜3.0%
A.20mg/kgB.30mg/kgC.15mg/kgD.25mg/kg
A.发黏B.潮湿不黏C.干爽D.无弹性