介绍了薄平板型固定床吸附器在循环通风管路系统中的使用特性和应用效果。
The characteristics and applications of the thin plate fixed bed adsorbers in the circulation ventilation pipe systems were presented.
分析了管路系统主固定支架的受力情况，指出了波纹管膨胀节选型的注意事项。
The forces of the main fixed support in water pipe system and items of selection of metal wave grain tube were introduced.
协羽蝶阀是设计用于管路系统连接，两个法兰间的连接或一个法兰间的连接或一个法兰间的连接用于一边已经固定的管路系统。
Hsieh Yu butterfly valve is designed for pipeline system connection between two flanges or with one flange for connection with the pipeline system of which one side has been fixed.
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