A.20%,HCl B.30%HCl C.pH2.0HCl和pH7.3PBS D.0.2NH2SO4 E.1NH2SO4
A.20s B.30s C.60s D.90s E.120s
A.β-內(nèi)酰胺類 B.氨基糖苷類 C.大環(huán)內(nèi)酯類 D.磺胺類 E.氟喹諾酮類