The powder submerged arc welding technique can be applied in welding medium & thick steel plate patch.

对不具备窄间隙埋弧焊机条件下的厚板拼接提供了借鉴。

youdao

The powder submerged arc welding technique can be applied in welding medium & thick steel plate patch.

对不具备窄间隙埋弧焊机条件下的厚板拼接提供了借鉴。

youdao