20240120

每週 (20240120) 連續輥軋製程(花圖)設計(COPRA RF) 與練習：八角管。

Weekly (20240120) roll-forming process design (COPRA RF) and practice: Octagonal Pipe.

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Tags: #ColdRollForming , #RollForming , #RollFlower , #COPRA, #COPRARF, #COPRAFEARF.

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