A.8 B.9 C.10 D.11
A.3:1B.4:1C.2:1D.5:1
A.5%~10% B.10%~20% C.20%~30% D.30%~40%
A.1m B.1.5m C.2m D.2.5m
A.6250m3/h B.9188m3/h C.6563m3/h D.7656m3/h