flange short tube
盲法兰短管 blind flanged spool piece
承口法兰短管 bell and flange piece
两端带法兰的短管 spool
短管法兰 Short Pipe Flange ; Limited short pipe
折线形法兰联接短管段 dog-leg spool piece ; leg spool piece
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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。
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.
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