weldedadj.焊接的动词weld的过去式和过去分词形式.weldv.焊接；使结合n.焊接；焊缝welder rs hand shield焊工手持护目镜welding integral node焊接整体节点weld root opening gap焊缝根部间隙welded stud connector焊钉连接件welding transformator焊接变压器welder rs head screen焊工头戴式面罩welding with pressure加压焊接welding specification焊接规范weld overlay cracking堆焊层裂纹welding rapid forming焊接快速成形技术