The paper mainly introduced the design and the application of π-type expansion. In order to better grasp the technology of π-type expansion, The principle of piping design was analyzed and discussed.% 文章主要介绍了π形补偿器的的设计和应用。通过对配管设计等原则进行了分析和探讨,以便于更好地掌握π形补偿器的技术。
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