P1 = 最初絕對壓力= 1.033 kg/cm 2. V = 空氣桶體積= 1 m 3, P = 大氣壓力= 1.033 kg/cm 2. P2 = 最終絕對壓力= 0 g/cm 2, C = 排風量= 6.1 m 3 /min. F系數= 0.75.
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