位置：中游情绪：中性参考度：1/10
俄罗斯钢管生产商TMK宣布，已发运首批采用混合激光-电弧焊接技术制造的大口径钢管，这是俄罗斯首次此类交付。产品已交付给俄罗斯天然气工业股份公司（Gazprom）旗下负责输气基础设施的子公司Gazprom Transgaz Surgut，将用于一条天然气主干管某段的修复工程。
所供应钢管直径1420毫米、壁厚15.7毫米，...
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