A.3.93kPa B.3.53kPa C.4.03kPa D.3.63kPa
A.900L B.1000L C.1150L D.1200L
A.(750±20)~(900±20)kPa B.(650±20)~(800±20)kPa C.(850±20)~(1000±20)kPa