We leave through the steel doors and head up the ten-story elevator, past the retinal scanner, and through glass Chambers with sliding doors that seem like air locks on a spaceship.
The change in air pressure associated with a sonic boom is only a few pounds per square foot — about the same pressure change experienced riding an elevator down two or three floors.
和音爆有关的气压变化只有每平方英尺几磅——大约是坐电梯向下两到三层所感受到的气压变化。
3
It also cites an elevator, pipes in the floors for radiant heating, chillers for air-conditioning, new Windows and not much else.