profiled sheet iron
... profiled roll有槽轧辊 profiled sheet iron成型薄钢板 profiled steel structure型钢结构 ...
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由镀锌或镀铝锌合金的薄钢板冷弯滚压成型，截面按照相应的国家规范确定。
Galvanized by galvanized or cold-formed alloy steel sheet roll forming, cross-section determined in accordance with the corresponding national norms.
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