Briefed in the article are the inner burr formation of and the burring method for the hi-frequency straight welded tube.

简要介绍了高频直缝焊管内毛刺的形成和清除方法。

youdao

Briefed in the article are the inner burr formation of and the burring method for the hi-frequency straight welded tube.

简要介绍了高频直缝焊管内毛刺的形成和清除方法。

youdao