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- X80厚壁焊管X80 grade steel pipe with heavy thickness
- 纵剪带钢边缘状态对小直径厚壁焊管焊接质量的影响及其控制措施INFLUENCE OF EDGE CONDITION OF SLIT-STEEL STRIP ON WELDING QUALITY OF SMALL SIZED HEAVY-WALLED WELDED PIPE AND RELEVANT CONTROL MEASURES
- 小直径厚壁焊管small diameter and thickness welded tube
- X80管线钢螺旋焊管X80 SSAW pipe
- X80级螺旋埋弧焊管X80 grade SSAW pipe
- 厚壁轮枝菌Verticillium chlamydosporium
- X80X80 grade
- 板厚slab thickness
- 薄壁thin wall
- X80级X80 grade
- 流管flow passage
- 埋弧焊hidden arc welding
- X80级钢管X80 grade steel pipe
- 圆管circular tube
- 保险管protective tube
- X80钢与WPHY80钢X80 and WPHY80
- 围绕接合孢子厚壁菌丝鞘的粘附层halo
- 针管needle tube
- 源管source capsule
- 铝管aluminum pipe