焊缝成型的变化是电弧收缩与表面张力变化双重作用的结果。

The transformation of weld forming is the results of dual functions of arc shrink and surface tension change.

youdao

焊缝成型的变化是电弧收缩与表面张力变化双重作用的结果。

The transformation of weld forming is the results of dual functions of arc shrink and surface tension change.

youdao