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。
The refrigerator is the outdoor unit of an air conditioner on which a refrigerant inlet and a refrigerant outlet are arranged.
其中的制冷器为空气调节器的室外机，其上有冷媒进、出口。
When the air separation device is reformed, the temperature measuring point is added to the inlet and outlet pipeline of each plate unit of the main heat exchanger.
在空分装置改造时，卧螺离心机在主换热器的每个板式单元的各个通道的进出口管线上增设了温度测量点。
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