A.氨芐西林B.四環(huán)素C.氯霉素D.新霉素
A.< 0.3MPN/gB.< 3.0MPN/gC.< 30MPN/gD.> 0.3MPN/g
A.(0.6?1.1mm)x (1.2?3.0mm)B.(0.6?1.1μm)x (1.2?3.0μm)C.(0.6?1.1nm)x (1.2?3.0nm)D.(0.6?1.1ng)x(1.2?3.0ng)