单项选择题
A.280℃,0.7MpagB.280℃,0.6MpagC.250℃,0.7MpagD.250℃,0.6Mpag
A.≤0.05μS/cmB.≤0.15μS/cmC.≤0.25μS/cmD.≤0.35μS/cm
A.65℃,1.0MpagB.65℃,1.2MpagC.55℃,1.0MpagD.55℃,1.2Mpag