单项选择题
A.0.8B.0.9C.1.1D.1.2
A.60℃,1.2MpagB.60℃,1.4MpagC.70℃,1.2MpagD.70℃,1.4Mpag
A.80℃,0.9MpagB.80℃,0.8MpagC.60℃,0.9MpagD.60℃,0.8Mpag