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。
Air Products set up shop to deliver ultra-pure nitrogen, vital to chip making, to Intel down a two-foot-wide pipe.
空中产品建立起车间把高纯度的氮沿着两英尺宽的管子运送到英特尔公司，这种氮对于半导体的制造是非常重要的。
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.
气压供水设备利用空气的可压缩性，在用水泵直接供水的系统中，设置了一个与水泵供水管网相连接的气压罐。
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