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©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()(,272037),,,,,,,,,,,,,,,,1:1.1,,,4050kPa,,100kPa,29.53in75cm,11/kPa/in/cm4112314413334714355015371cm,:();;;;;,,(ISO),2,322250L/min330L/min330043504255400653067581000121400161700202000320088©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(Lmin-1)/mm/cm2200255.02006003811.360010005020.4100017006331.217007645.32kPa4,,,,,,,15L,1.3,,,,,,,,,,1.4,,,,75mm,kPa11.5,,,,1.6,,,,,,,,,50507030,604070305065/min,(1),,(2),420088©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(3),,,:;,,1.7,,,1/31/2,,1m1cm(1%),,,,,4850kPa,,,,,,,,5515kg/m/cm/in10203040381.532--5126432632.5-654763-1086381.5-754512-1210714mm10mm,,,,20L,,,,,,1.8,,,,,3,,,,,,,0.2kg/min,1.9,520088©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1),,,,(2),,,,,,1.11,,,,3L1.12,,,,18L,4050L,,,,,,,,,2,,,,:;,;;,;,;;,;,;;,620088