钨极气体保护焊 meaning in English
gas tungsten arc welding
gas tungsten metal arc welding (gtaw)
gas tungstun arc welding
Examples
- 5 all single - sided groove joints in nickel alloys , stainless steel and ferritic alloys containing more than two ( 2 ) percent chromium shall be welded using a gas tungsten - arc root pass with an inert gas back purge
铬含量超过2 %的镍合金、不锈钢和铁素体合金的单面坡口焊道用钨极气体保护焊，其根部焊道用惰性气体反吹。