A.25%~30% B.15%~20% C.20%~30% D.10%~15%
A.800mg/d B.1000mg/d C.1100mg/d D.1200mg/d
A.预防婴儿缺铁性贫血 B.供绐婴儿生长需要 C.恢复孕期铁丢失 D.胎儿铁储备
A.5 B.10 C.15 D.20