A.1.0m B.1.1m C.1.5m D.0.5m
A.20~40m3/min B.50~60m3/min C.10~20m3/min D.60~70m3/min
A. 30~45kV;300/220V B. 6~35kV;300/220V C. 6~35 kV;380/220V D. 30~45kV;380/220V