其实双面焊就是在第一个面焊完后，再在工件背面施焊，双面焊的优点是成型好，焊缝质量高，一般可用于比较厚的容器，钢结构，钢板的焊接。
... 双面复制页 duopage; 双面焊 welding by both sides; 双面横棱缎 peau de soie; ...
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... 点焊point welding 双面焊weld from both sides 双面点焊direct welding ...
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... Welding force 阻焊加压；电极压力 Welding from both sides 双面焊 Welding from one side 单面焊 ...
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针对某企业需求的平板对接，为解决大型钢板焊接不易翻转的难题，设计了一种单面焊双面成形定位压紧小车。
A particular device of location and compaction for welding by one side in shape by both sides was designed according to the enterprises requirement in steel plates butt joint.
用切块法实测了某大口径X70双面直缝埋弧焊管内的残余应力。
The residual stress in a heavy caliber X70 double-surface straight-seam submerged arc tube was measured using the piece-cutting method.
介绍了自行车车圈双面双缝高速次级整流缝焊新工艺、新设备，并对其加热特点、技术要点及焊接参数等问题进行了探讨。
The heating and other technical characteristics as well as procedure parameters are introduced in this paper for bicycle wheel - tyre double seam high speed welding.
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