搭接接头的塑性较差，伸长率仅有3.18%，不及母材伸长率的25%；

The elongation of joints was only 3.18%, less than 25% that of base metal.

youdao

搭接接头的塑性较差，伸长率仅有3.18%，不及母材伸长率的25%；

The elongation of joints was only 3.18%, less than 25% that of base metal.

youdao