全熔透焊缝不存在包角的问题。

With a full pen weld, the question of "return" doesn't come up.

youdao

我用了垃圾角刷包，以帮助我做到这一点。

I used the Grunge Corner Brush Pack to help me accomplish that.

youdao

我用了垃圾角刷包，以帮助我做到这一点。

I used the Grunge Corner Brush Pack to help me accomplish that.

youdao