A.7天 B.14天 C.21天 D.28天 E.32天
A.50% B.60% C.70% D.80% E.90%
A.紅細(xì)胞懸液 B.輻射紅細(xì)胞 C.洗滌紅細(xì)胞 D.冷凍紅細(xì)胞 E.濃縮紅細(xì)胞