問答題精餾塔要進(jìn)行氣密,若起點(diǎn)絕對壓力0.45MPa,終點(diǎn)絕對壓力0.44MPa,起點(diǎn)溫度303K,終點(diǎn)溫度300K,求:殘留率是否大于95%為合格?

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