A.100℃±2℃,3h B.100℃±20℃,1h C.105℃±2℃,1h D.105℃±2℃,3h
A.最大 B.最小 C.最大值与最小值的平均值
A.0.02 B.5 C.1 D.0.2
A.50 B.25 C.5 D.1