... column connecting pipe 管柱连接管 column pipe spacer 管状圆筒定距块 top column pipe 上部圆筒管 ...
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In general a sealing technology involving welding in combination with expand jointing is used for connecting a pipe column to a tube plate in a tubulature type heat ex- changer.
列管式换热器的换热管束与管板连接一般均采用焊接加胀接的密封固定工艺。
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