单项选择题
A.折光仪 B.密度计 C.130℃烘干30min D.波美度计
A.脱脂乳粉特级≤3.0% B.甜炼乳≥8.0% C.干酪素一级≤2.5% D.淡炼乳(一级)≥7.50%
A.乳粉62.5g B.消毒牛奶500ml C.甜炼乳125.0g D.淡炼乳200.0g
A.0.1g B.0.01g C.0.01g D.0.0002g
微信扫一扫,加关注免费搜题