因?yàn)椋篢=(P閃/P總)×100% =(1.47/101)×100% =1.45%
絕對(duì)壓力=大氣壓+表壓=0.1+5.0=5.1MPa 真空度=大氣壓-絕壓=0.1-5.1=-5.0MPa