A.150KDB.15KDC.20KDD.200KD
A.pI4.2-4.5B.pI6.8-7.5C.pI5.3-6.7D.pI4.7
A.0.1um-10umB.0.01um-0.1umC.0.001um-0.01umD.小于0.001um