单项选择题
A.60℃,0.8MpagB.60℃,0.5MpagC.80℃,0.8MpagD.80℃,0.5Mpag
A.60℃,0.9MpagB.60℃,0.8MpagC.80℃,0.9MpagD.80℃,0.8Mpag
A.60℃,0.9MpagB.60℃,0.8MpagC.70℃,0.9MpagD.70℃,0.8Mpag