... reinforcement of weld焊缝加厚; 补强金属; 加强焊缝 resistance weld mill电阻焊管机 resistance weld pipe电阻焊管 ...
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...d双点点焊接头 edge joint weld边缘焊 edge weld端接焊; 端接焊缝; 端面焊缝; 对边焊 electric resistance weld mill电阻焊管机 electric weld-pipe mill电焊管机 electric-weld pipe mill电焊管机 emporary weld临时点定焊缝 excess weld metal焊缝补强金属;...
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