backgouging中文什么意思

背面刨削

例句与用法

1. Vertical welds not completely removed by backgouging shall be performed vertically up , unless specifically approved in writing by secco
   对于不能通过逆向刨削完全清除的纵向焊缝应垂直施焊，除非赛科公司有特殊的书面指示不用垂直施焊。