Weld seam impact toughness

• 焊缝冲击韧性

Weld seam impact toughness的用法和样例：

例句

1. This paper from the control of organization describes the fisability for much improvement of the toughness of the electro-slag welds.
   本文从组织控制的角度论述了较大幅度地提高电渣焊缝冲击韧性的可行性。