The composition of main air blower set of catalytic cracking unit. The different types of blower and its different inlet pipe system arrangement were recommended.
介绍了催化裂化装置中主风机机组的组成，以及不同型式的鼓风机其入口管系的不同配置。
2
Air Products set up shop to deliver ultra-pure nitrogen, vital to chip making, to Intel down a two-foot-wide pipe.
Pressure water supply equipment using the compressibility of air, water pumps used directly in the water supply system, set up a water pipe network and pumps connected to the pressure tank.