問(wèn)答題某空壓機(jī)在運(yùn)轉(zhuǎn)時(shí)測(cè)得其進(jìn)口真空為P=-272mmH2O,當(dāng)時(shí)的大氣壓為735mmHg,問(wèn)進(jìn)口空氣的絕對(duì)壓力為多少(KPa)

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