A.母乳 B.牛乳 C.羊乳 D.全脂奶粉 E.乳兒糕
A.20%~25% B.25%~30% C.30%~40% D.40%~50% E.50%~60%
A.生后1~2個(gè)月B.生后3~4個(gè)月C.生后5~6個(gè)月D.生后7~8個(gè)月E.生后10~12個(gè)月