A.20%~30% B.30%~40% C.50%~60% D.70%~80% E.80%~90%
A.0.5~1m B.1~1.5m C.1.5~2m D.2.5~3m E.3.5~4m
A.0.05ml,/min B.O.5ml/min C.0.01ml/min D.0.1m/min E.1.0ml/min