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- X80厚壁焊管X80 grade steel pipe with heavy thickness
- 縱剪帶鋼邊緣狀態(tài)對小直徑厚壁焊管焊接質(zhì)量的影響及其控制措施INFLUENCE OF EDGE CONDITION OF SLIT-STEEL STRIP ON WELDING QUALITY OF SMALL SIZED HEAVY-WALLED WELDED PIPE AND RELEVANT CONTROL MEASURES
- 小直徑厚壁焊管small diameter and thickness welded tube
- X80管線(xiàn)鋼螺旋焊管X80 SSAW pipe
- X80級螺旋埋弧焊管X80 grade SSAW pipe
- 厚壁輪枝菌Verticillium chlamydosporium
- X80X80 grade
- 板厚slab thickness
- 薄壁thin wall
- X80級X80 grade
- 流管flow passage
- 埋弧焊hidden arc welding
- X80級鋼管X80 grade steel pipe
- 圓管circular tube
- 保險管protective tube
- X80鋼與WPHY80鋼X80 and WPHY80
- 圍繞接合孢子厚壁菌絲鞘的粘附層halo
- 針管needle tube
- 源管source capsule
- 鋁管aluminum pipe
