A.維持皮膚黏膜層的完整性 B.構(gòu)成視覺細(xì)胞內(nèi)的感光物質(zhì) C.防治佝僂病 D.促進(jìn)生長發(fā)育和維護(hù)生殖功能 E.維持和促進(jìn)免疫功能
A.25%~30%,55%~65%、8%~15% B.8%~15%、25%~30%、55%-65% C.55%~65%、45%~50%、8%~15% D.50%~60%、10%~15%、25%-30% E.25%~30%、8%~15%、55%-65%
A.100~150ml/kg B.150~200ml/kg C.200~250ml/kg D.75~100ml/kg E.50~100ml/kg