A.1.5m/s B.2m/s C.2.5m/s D.3m/s
A.0.80MPa B.0.50MPa C.0.10MPa D.0.01MPa
A.高压给水系统,13m B.低压给水系统,10m C.临时高压给水系统,10m D.高压给水系统,10m