巴基斯坦采购需求：结构钢锻造圆棒、碳钢锻造圆棒、碳素工具钢锻造圆棒、合金工具钢锻件、轴承钢锻造圆棒、不锈钢锻造圆棒

原文：structural steel forging round bars, carbon steel forging round bars, carbon tool steel forging round bars, alloy tool steel forgings, bearing steel forging round bars, stainless steel forging round bars

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