The technology of developing quality and strong pick is found by researching the hard metal alloy, pick-body material, weld gap, technique of braze welding and heat treatment.
通过对硬质合金、截齿体材质、焊缝间隙、钎焊及热处理工艺的研究，寻找出了研制优质强力截齿的技术途径。
An advanced double wires narrow gap SAW technique, equipment and special procedure have been used to weld high pressure storage tanks successfully with high quality welding joints.
采用先进的双丝窄间隙埋弧焊设备和专用焊接工艺，成功地焊接了大厚壁高压蓄势器，质量检查全部合格。
The gap control device to ensure the weld seam welding space meet the requirements, diameter, misalignment and weld gap have been strictly controlled.
采用焊缝间隙控制装置来保证焊缝间隙满足焊接要求，管径，错边量和焊缝间隙都得到严格的控制。
Welding methods and technology of narrow gap quirk backing weld were discussed. Indirect quirk backing weld using manual hydrogen arc welding is considered as the best result.
讨论了窄间隙深槽打底焊焊接方法和工艺，认为用手工氩弧焊进行单面深槽打底焊效果最好。
Based upon the influence of a gap on the propagation of the acoustic emission waves, thedesigning of the weld seam tracking system with an acoustic-emission-microcontroller is described.
基于缝隙对声发射波传播有影响的现象，作者研制成一种利用声发射- 微处理器控制的焊缝跟踪系统。
A special design of narrow gap SAW machine is developed in order to weld straight and circular joints at flat position.
研制了适合水平直焊缝和水平圆形焊缝的窄间隙埋弧焊专用焊机。
A special design of narrow gap SAW machine is developed in order to weld straight and circular joints at flat position.
研制了适合水平直焊缝和水平圆形焊缝的窄间隙埋弧焊专用焊机。
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