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- X60钢级X60 steel grade
- 对外径 660mm、壁厚 7 1mm国产内胀成形X60钢级螺旋缝埋弧焊管的未水压、水压后和稳压后 3种管段样品 ,用机械切割应力释放法进行了内外表面残余应力的测试。The residual stress in the spiral submerged arc welding (SSAW) pipe of 660mm OD and 7 1mm wall thickness is tested by the stress releasing method.
- X60钢X60 steel
- 开窗侧钻中合理确定不同钢级的段铣参数Determining Different Section Milling Parameter in Sidetracking
- 滚动式冷床在高钢级油管生产线中的应用The application of rolling-type cold bed to high-strength oil pipe line
- 大学英语四级College English Band 4
- X60板卷X60 hot rolling coil
- 铸钢cast(carbon) steel
- 船级ship' classification
- X60螺旋焊管X60 spiral welded pipe
- 螺纹钢deformed steel bar
- 第二级secondary
- 带钢band steel
- 大学英语六级考试CET-6 [College English Test, Band Six]
- 第一级first step
- 轻钢龙骨lightgage steel joist
- 第三级Tertiary (system)
- 粗钢crude steel
- 院级institute-level
- 耐热钢refractory steel