The forming of special section tubes with roll extrusion method is a new technology.
异型钢管滚挤成形是一种新技术。
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It consists of extrusion unit, traction, lifting, leveling, trimming, finished Double wrap roll, electrical and other major parts.
它由挤出机组、牵引、升降、调平、修边、成品双工位自动换卷、电器等主要部件组成。
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