A.2.8%~4.0%
B.2.8%~3.8%
C.1.8%~4.0%
D.1.8%~3.5%
[单选题]牛乳中脂肪含量约为( )。
[单选题]牛乳中脂肪含量约为( )。A.2.8%~4.0%B.2.8%~3.8%C.1.8%~4.0%D.1.8%~3.5%
[单选题]牛乳中脂肪含量约为()。A.2.8%~4.0%B.2.8%~3.8%C.1.8%~4.0%D.1.8%~3.5%
[单选题]牛乳中脂肪含量约为()。A.2.8%~4.0%B.2.8%~3.8%C.1.8%~4.0%D.1.8%~3.5%
[单选题]牛乳中脂肪含量约为()。A.2.8%~4.0%B.2.8%~3.8%C.1.8%~4.0%D.1.8%~3.5%
[填空题] 牛乳中蛋白质含量约为()。
[单选题]牛乳中的蛋白质含量约为( )。
[单选题]牛乳中的蛋白质含量约为( )。A.1.0%~1.5%B.1.5%~2.5%C.2.5%~3.5%D.3.0%~3.5%
[单选题]牛乳中的蛋白质含量约为()。A.1.0%~1.5%B.1.5%~2.5%C.2.5%~3.5%D.3.0%~3.5%
[单选题]牛乳中的蛋白质含量约为()。A.1.0%~1.5%B.1.5%~2.5%C.2.5%~3.5%D.3.0%~3.5%