A.1±0.2,80 B.1±0.2,70 C.2±0.2,80 D.2±0.2,70
A.1.05 B.1.1~1.15 C.1.5 D.1.2~1.25
A.1.5pdh和≯pdh+0.25MPa B.(1.1~1.15)pdh和≯pdh+0.25MPa C.(1.1~1.15)pdh和1.5pdh D.pdh和≯pdh+0.25MPa