冷拉圆钢、冷拔圆钢、冷拉元钢、冷拉园钢、精拉光圆，冷拉型钢

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r 冷拉光圆r

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r  山东聊城冷拉圆钢厂专业生产直径40冷拉光圆、基本内容 冷拉圆钢也称为冷拔圆钢、冷拉元钢、冷拉园钢、精拉光圆，是冷拉型钢的一种。
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