A.<80fl B.<100fl C.>100fl D.>140fl E.>160fl
A.60~80g/L B.90~110g/L C.110~150g/L D.120~160g/L E.140~160g/L
A.骨髓 B.胸腺 C.脾臟 D.心臟 E.淋巴結(jié)