A.0.25m/s,0.25m/s B.0.25m/s,0.2m/s C.0.3m/s,0.25m/s D.0.3m/s,0.2m/s
A.12kW B.16kW C.20kW D.26kW
A.5kg/h B.10kg/h C.15kg/h D.20kg/h