A.pH2.2~3.6 B.pH5.29~8.04 C.pH2.6~7.0 D.pH5.0~7.4 E.pH5.2~8.6
A.pH5.0~7.4B.pH2.2~3.6C.pH2.6~7.0D.pH5.29~8.04E.pH5.2~8.6