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cold-rolled steel pipe
met.
冷轧钢管
(【技】使用钢管坯料在室温或再结晶温度下用冷轧方法生产的钢管。其尺寸精度高、内外表面质量好,广泛用于机械工程、地质、石油、化工、军工等部门。)
tech.
冷轧钢管
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