all metal burr是什么?(关于焊接)? Weld preparation to be made by machining, sawing or manually using an all metal burr . Plasma cutting may also be used provided the narrow heat affected zone together with any oxide contamination is removed. Final preparation shall be made by draw filing and wire brushing with a stainless steel brush . Only new files and wire brushes shall be used which shall be thoroughly cleaned prior to use with a cleaning solvent such as acetone or alcohol which leaves no residues including halides on the surface. 问题: 1. an all metal burr是什么? 2. 标蓝色句中,with a stainless steel brush 是只修饰wire brushing 还是draw filing and wire brushing 两个的? [ ]查看更多5个回答 . 4人已关注