[填空题]
What is the approxima(8io-v 4eg*vwn r1dwitehtu r2 9wmkl. h;3rv;p pressure inside a pressure cooker if the water is boiling aphh kut;3w.mr29lrv; t a temperature of 120 $^{\circ} $ C? Assume no air escaped during the heating process, which started at 20 $^{\circ} $ C. atm