If you go to an infinite cylinder it has a vessel function. And if you go to an infinite slab it has a cosine type shape.
如果是一个无限的圆柱，它有，管道功能，如果是一个无限的平板，它有余弦的形状。
2
The primary function of a regulator is to reduce high-pressure gas in a cylinder or process line to a lower, usable level as it passes from the cylinder to a piece of equipment.
调整器的主要功能是，当钢瓶或过程管道内的高压气体从钢瓶流向设备时，把压力降到较低的可用的水平。
3
To use power cepstrum, the transfer function is smoothed. Effect of identifying of cylinder pressure is increased.