A.10m B.25m C.30m D.50m
A.該設(shè)備額定工作壓力 B.35MPa C.10.5MPa D.1.4~2.1MPa
A.0.65~0.8MPa B.1.4~2.1MPa C.10.5MPa D.該設(shè)備額定工作壓力