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介绍了引进日本ＷＪ－４５Ｕ－Ｃ外包覆不锈钢复合管机组的工艺布置、辊型和成型模块的设计模型，对我国改造焊管生产线具有参考价值
Introduced the introduction of Japan WJ-45U-C cladding stainless steel composite pipe unit process layout, roller and molding module design model, the transformation of China’s welded pipe production line has a reference value