单项选择题
A.1:6B.6:1C.2:0.6D.0.6:1
A.表压0.06~0.1PaB.30MPaC.表压0.06~0.1MPaD.绝压0.06~0.1MPa
A.8~12℃B.100℃C.80~85℃D.40℃