pressurized
adjective (UK usually pressurised) uk/ˈpreʃ.ər.aɪzd/ us/ˈpreʃ.ə.raɪzd/
加压的，增压的;密封的
If a container is pressurized, the air pressure inside it is higher than the air pressure outside it.
a pressurized tank 增压罐
Aircraft cabins are pressurized. 飞机座舱是密封的。