A.1-2L/min B.2-3L/min C.3-4L/min D.5-6L/min
A.0.3—0.5MPa B.0.5—0.8MPa C.0.8—1.5MPa D.1—1.5MPa
A.0.2—0.5MPa B.0.2—1MPa C.0.5—0.8MPa D.0.8—1.5MPa