Warning: file_put_contents(/www/wwwroot/ppbbu/bieo.cn/cache/c8a06117f7d11a559673576542681579.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/bieo.cn/index.php on line 58 tig welding英英字典_tig welding剑桥英语解释_tig welding柯林斯英文解释_衣物護欧路词典
1. N tungsten-electrode inert gas welding: a method of welding in which the arc is maintained by a tungsten electrode and shielded from the access of air by an inert gas 鎢極惰性氣躰保護電弧銲法→compareMIG welding