bundle of tube-type heat exchanger 列管式换热器的管束 straight tube bundle type heat exchanger 直管束型热交换器 ..
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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。
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.
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