节点中的焊接宜采用完全焊透的坡口对接焊缝连接，当采用双面角焊缝连接时，可按等强设计。

And the welding connecting of them are advised to use slope butt weld that are fully welded, but when the double-sided fillet weld is used, they should be design on equal strength.

youdao

弹性强，磨削量大，高效，长寿命，主要用于金属、非金属表面的抛光，对复杂型面进行修焊缝、去毛刺、除锈等。

With good flexibility and dust removal, high efficiency and long working life time. Mainly used for polishing the surface of metal, non-metal, removing rust and burr etc.

youdao