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2165Pa,130mmH2O 1461Pa,120mmH2O 3146Pa,150mmH2O 1079Pa,110mmH2O
-2~-3mmH2O -2~-3Pa 20~-30mmH2O -200~-300Pa
1bar=1000Pa=0.1MPa≈100mmH2O 1bar=10000Pa=0.1MPa≈1000mmH2O 1bar=100000Pa=0.1MPa≈10000mmH2O 1bar=1000000Pa=0.1MPa≈100000mmH2O
必须改换成PA值 只要用1mmH2O=9.80665PA关系更换标尺 要换算成20℃时的压力值 不需要更换
1.02×10-1 1.45×10-4 1.02×10-2 1.02×102
1Pa=9.80665mmH2O 1标准大气压=101.325kPa 1mmH2O=9.80665Pa 1MPa=1000kPa