This paper introduces the method of partition the normal gas transmission to stop the aged pipe transmission by using the special flange and reducing pipe.
介绍了一种使用专用法兰和变径短管封堵煤气管道停止老化管道运行的新方法。
The reason why reducing the size of a compact flange, as a result of reduced diameter seals, which will reduce the sealing surface of the section.
紧凑法兰尺寸之所以减小，是由于减小了密封件的直径，这将会减小密封面的截面。
Compact flange with all the advantages: standard flange not only saves space, thereby reducing the weight and, more importantly, to ensure that there will be no leakage of joint positions.
紧凑的法兰具有各方面的优点：标准法兰不仅节省了空间、减轻了重量，更重要的是确保接头部位不会发生泄漏。
Compact flange with all the advantages: standard flange not only saves space, thereby reducing the weight and, more importantly, to ensure that there will be no leakage of joint positions.
紧凑的法兰具有各方面的优点：标准法兰不仅节省了空间、减轻了重量，更重要的是确保接头部位不会发生泄漏。
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