标准血清+受检者红细胞 标准红细胞+受检者血清 被鉴定者血型 

抗A     抗B     抗A＋抗B A型     B型     O型   
B型血清 A型血清 O型血清  红细胞  红细胞  红细胞    
+       -       +        -       +       - A型 
-       +       +        +       -       - B型 
-       -       -        +       +       - O型 
+       +       +        -       -       - AB型 


我实在是看不太懂~