The concept of "weld bead heat affected zone"(WBHAZ) was proposed.

提出了“焊道热影响区”的概念。

youdao

Using the heat of welding to vapour water, cooling rates are lowered on the weld bead and heat -affected zone.

利用焊接时的加热使水汽化，不仅使焊道而且使热影响区的冷却速度减慢。

youdao

Using the heat of welding to vapour water, cooling rates are lowered on the weld bead and heat -affected zone.

利用焊接时的加热使水汽化，不仅使焊道而且使热影响区的冷却速度减慢。

youdao