A.0.25MPA B.0.35MPA C.0.45MPA
A.2 B.4 C.3
A.1 B.2 C.3 D.4
A.0.35MP B.0.45MP C.0.2MP
A.高压蒸汽 B.中压蒸汽 C.低压蒸汽
