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