This paper discussed the compressed air piping process design in the design of railroad machine engineering,used the method of system theory,made the compressed air conveying as energy flow,from the energy input,energy transfer,energy output three aspects,introduced the specific methods of compressed air piping process design,to guide the practice.%针对铁路机辆段工程设计中的压缩空气管道工艺设计进行了探讨,采用系统论方法,把压缩空气输送作为能量流,从能量输入、能量传递、能量输出三方面介绍了压缩空气管道工艺设计的具体方法,以指导实践。
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