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retrocession welding method 后退焊接法
Practice shows that using aluminium heat welding method to weld crane rails has many benefits. 同时结合其实际运用情况,说明了运用该技术焊接起重机轨道的优越性和效益。
Alternating current shield metal arc welding (SWAW) is the one of the most important welding method. 尤其是钢管的焊接部份，遮蔽金属电弧焊接法是最主要的方法之一。
Firstly, backing with double-sided in-phase welding, welding method is GTAW. Secondly, after filling outside one layer,welding with SAW. Finally, weld the inside with SAW. 先用双面同步焊打底，焊接方法为钨极氩弧焊；然后外侧用焊条电弧焊填充一遍后再用埋弧焊焊接；最后用埋弧焊焊接里侧。
As a welding method of high efficiency and low energy consumption, double arc welding has a favorable foreground in the practical production. 双弧焊接作为一种高效节能、优质经济的焊接工艺方法,在实际生产中具有良好的应用前景。
In this paper, the lowvoltage and giant impulse current syncro welding method for 50 spots welding machine has been studied. 研究了五十点焊机的同步低压冲击大电流焊接方法。
The application of the vertical steel electroslag pressure welding technology has taken place of join-colligation and manual arc welding method. 竖向钢筋电渣压力焊技术的应用,代替了搭接绑扎和手工电弧焊的方法。
This paper introduces the measure, welding method and inspection result to preve nt the welding deformation formation of spiral-seam pipe header after tapping. 介绍了在螺旋焊缝汇管上焊接支管时的防变形措施、焊接方法和检验结果。
After a lot of tests, it is shown that to any kind of welding method, the oxidization and deoxidization of carbon are exist simultaneously in the welding process. 试验结果证明,对于任何一种焊接方法,碳的氧化和还原反应在焊接过程中都是同时存在的。
No good effect is obtained when a common welding method and gluing race repair is used, but a better result can be obtained when electric arc spray coating repair method is used. 采用普通焊接方法及胶粘镶圈方法修复，效果均不理想。采用电弧喷涂法修复，效果良好。
Closed stirrup with flash butt welding method can not only avoid malpractices in normal closed stirrup construction, but also can improve construction quality&& work efficiency with fewer steel materials. 将箍筋用闪光对焊焊成封闭环式，不但可以避免常规箍筋安装中的弊端,提高工程质量,还可以节省钢材、高工效,具有良好的社会效益和经济效益。
This article introduces inner compound metal pipe manufacturing technology of the cold forming method,heat extrusion method and centrifugal foundry method as well as welding method. 介绍了国内外主要开发应用的冷成型法、热挤压法、离心铸造法和焊接法等内复合双金属复合管制造技术。
This article discusses how to prevent and lessen welding distortion during welding producing from many aspect such as welding seam length and size,welding form,welding surface size,welding method. 论述在焊接生产中,如何防止和减少焊接变形,并在焊缝长短、焊缝大小、焊接形式、焊接面大小、焊接方法方面加以探索。
Hence,study about high effective welding methods will be one of the hotspots in welding technics research. 因此高效焊接方法的研究将成为今后焊接工艺研究的热点之一。
The method seems good but it needs to be tried out. 这个方法似乎不错，但需要试验一下。
The advantages and disadvantages of various welding methods and development of filler metals and fluxes are introduced. 介绍了各种焊接方法的优缺点以及钎料、钎剂的开发进展。
Welded rail tunnels used mobile CWR rail contact welding method for China's domestic initiative. 隧道内焊轨采用移动式无缝线路钢轨接触焊施工方法，为中国国内首创。
The performance of industrial titanium, the structure feature of titanium mesh ripple plate demister, the manufacturing welding method and the corrosion resistance were recommended. 介绍了工业纯钛的特性和钛网孔波纹板除沫器的结构特点、制造焊接方法及抗腐蚀性能。
The spatter formation mechanism of self-shielded flux cored wire has a remarkable different with other welding materials because of its speciality in wire's construction and welding method. 详细研究了自保护药芯焊丝飞溅的形成机理及其影响因素。
May choose 3 welding methods: Directs current the TIG welding, the direct-current pulse TIG welding, the cocurrent arc welding. 可选择3种焊接方法：直流TIG焊接、直流脉冲TIG焊接、直流手弧焊。