A.10?20minB.10?25minC.15?25minD.15?20min
A.1.0?1.2°C/minB.0.8?1.2°C/minC.1.0?1.5°C/minD.1.2?1.5°C/min
A.總堿度≤30mg/LB.溫度75?78℃C.PH5.4?6.0D.PH5.5?5.8