side seam can
... 边封 side seam 边封罐 side seam can 支管 side tube ...
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黏接边封罐 cemented side seam can
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二重卷边是金属罐制造工艺流程中最重要的环节，卷封滚轮是封罐机上最核心、最重要的零件之一。
Double-seam is the most important link in canning manufacture technical process, and the seam roller is one of the most core and important components on the can seamer.
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