... 压重，砝码weights 压重板(震动压面)jointing plate 压铸，刚模铸造de cast ...
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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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