单项选择题
A.120m3 B.30m3 C.18m3 D.80m3
A.5000m2 B.2500m2 C.1500m2 D.6000m2
A.炉:加热炉、裂解炉 B.器:反应器、换热器、分离器 C.泵:油泵、碱泵、水泵 D.机:通风机、鼓风机、压缩机
A.2.5m,5.0m B.3.0m,5.5m C.2.5m,5.5m D.4.0m,7.0m
A.4m,6m B.4.5m,6m C.4m,9m D.4.5m,9m
A.10min B.20min C.30min D.45min
A.0.5m,1m B.0.5m,2m C.1m,0.5m D.1m,2m
A.一 B.二 C.三 D.四
A.L>3000m,F>100m2 B.1000m<L≤3000m,50m2<F<100m2 C.500m<L≤1000m,30mm2<F<50m2 D.L≤500m,F<30mm2
A.20 B.25 C.30 D.35
A.3 B.5 C.8 D.10