柯林斯詞典TIG welding /t?ɡ/ 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 鎢極惰性氣體保護(hù)電弧焊法→compareMIG welding 返回 tig welding