短語(yǔ)詞組短語(yǔ)automatic TIG orbital welding 全位置TIG銲tig mag welding tig 銲TIG Arc welding machine 鎢極氬弧銲機(jī)tig arc welding tig 銲接tig butt welding tig 對(duì)接銲tig automatic welding tig 自動(dòng)銲pulsed tig arc welding 脈沖鎢極氬弧銲tig spot welding 鎢極惰性氣躰保護(hù)點(diǎn)銲TIG spot welding TIG 點(diǎn)銲 返回 tig welding