单项选择题
A.60℃,0.9MpagB.60℃,0.85MpagC.70℃,0.9MpagD.70℃,0.85Mpag
A.0.35B.0.4C.0.5D.0.9
A.70℃,0.9MpagB.70℃,0.8MpagC.60℃,0.9MpagD.60℃,0.8Mpag