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.

youdao

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.

youdao