焊缝编号

厂内加工焊缝编号汇总A段顶板焊缝编号B段顶板焊缝编号C段顶板焊缝编号D段顶板焊缝编号E段顶板焊缝编号A段底板焊缝编号B段底板焊缝编号C段底板焊缝编号D段底板焊缝编号E段底板焊缝编号A段腹板拼板焊缝B段