A.折光儀 B.密度計(jì) C.130℃烘干30min D.波美度計(jì)
A.脫脂乳粉特級(jí)≤3.0% B.甜煉乳≥8.0% C.干酪素一級(jí)≤2.5% D.淡煉乳(一級(jí))≥7.50%
A.乳粉62.5g B.消毒牛奶500ml C.甜煉乳125.0g D.淡煉乳200.0g