焊缝表面不得有裂纹,气孔,夹渣等严重缺陷。
Any severe deficiency of welding seams surface like cracks, pores, slags is forbidden.
打磨焊缝表面缺陷或机械损伤后的厚度小于母材的厚度。
Seam surface defect after grinding or thickness is lower than base material after mechanical treatment.
而在光丝间距和离焦量变化过程中,激光束对复合热源平板堆焊焊缝表面成形的影响很小。
The influence of Nd:YAG laser on hybrid weld appearance is light in variation of laser-arc distance and defocusing distance.
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