Arc strike marks (焊接)? arc strike marks on base metal outside the weld joint should be avoided but if present should be treated as defects requiring removal or repair. 应避免在焊接接头以外的母材上 引弧 (此为违规操作),如有,则应按照焊接缺陷进行处理,需要清除或补焊。 引弧striking arc---电弧焊时,引燃焊接电弧的过程。 查看更多