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- X65钢级直缝埋弧焊管X65 grade LSAW pipe
- X80钢级直缝埋弧焊管X80 steel SAW straight welded tube
- 通过夏比冲击试验和落锤撕裂试验(DWTT),测得国产X80级直缝埋弧焊接钢管低温韧性。It obtains low temperature toughness of China made grade X80 LSAW pipe by Charpy impacting test and DWTT.
- 进行了L415MB(API 5L X60 PSL2)级油气输送用直缝埋弧焊管中厚钢板的工业试验研究。Trial - production of L415MB(API 5L X60 PSL2) pipeline plate has been fallen out.
- 油气输送用螺旋缝埋弧焊钢管订货附加技术条件中几个常见问题的讨论Discussion on Several Ordinary Problems on Additional Technical Conditions of P. O. Of SSAW Pipe for Oil and Gas Transmition
- 直缝埋弧焊管扩径机的应用Diameter-Enlarging Machine Application of Longitudinal Submerged Arc Welded Pipe
- 林冠级canopy class
- 二三级城市Sub-cities
- 直缝焊管所需带钢宽度计算公式探讨Discussion on Formula for Calculation of Width of Steel Strip Used for Weld Straight Pipe-making
- 平面埋入式进气道的数值仿真研究与试验验证Numerical Analysis and Experimental Validation of a Submerged Inlet on the Plane Surface
- 埋弧焊焊缝Submerged-arc weld
- 厚壁容器的双丝窄间隙埋弧焊Double-wire Narrow Gap SAW of Thick-wall Pressure Vessel
- X80级螺旋埋弧焊管X80 grade SSAW pipe
- 埋弧焊钢管内焊渣皮回收方式探讨Discussion on Reclaiming SSAW Pipe Inside Welding Slag
- 埋弧焊钢管倒棱机工艺布局方式的探讨Discussion on Process Layout of Chamfering Machine for SAW Steel Pipe
- 浅谈螺旋埋弧焊钢管的焊缝外观形状控制Discussion on Weld Bead Visual Appearance Control of SSAW Pipe
- 碱度对直流埋弧焊熔滴阶段电化学致氧的影响Effect of basicity index on electrochemically induced oxygen content at droplet reaction stage in direct current submerged arc welding
- 直缝焊管埋弧自动焊内焊多丝焊接规范设置探讨Discuss on Setup of Inside Welding Multiple Wire Welding Specification in Longitudinal Submerged Arc Welded Pipe
- 埋弧焊自动跟踪系统中线阵CCD视觉传感器的研究Development of linear CCD vision sensor used in automatic tracking system of submerged arc welding
- 双面埋弧焊钢管焊缝自动超声波检测工艺的优选Optimal Selection of Automatic Ultra-sonic Test Process for Welds with Both Sides Submerged Arc Welding
