... 惰轮 idle gear 惰性气体保护电弧焊（法） inert-gas shielded arc welding 惰性气体保护金属极弧焊 shield inert gas metal orc welding ...
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...inert gas welding; inert-gas (inert gas) arc welding; inert-gas shielded arc welding; inert-gas welding 惰性气体保护焊接 inert-gas welding ..
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inert gas shielded-arc welding 惰性气体保护焊
inert gas shielded arc welding 保护气体焊 ; 惰性气体保护焊
inert-gas-shielded arc welding 惰性气体保护电弧焊
inert-gas shielded tungsten arc welding [机] 钨极惰气保护焊
shielded inert-gas metal-arc welding 惰性气体熔化极电弧焊
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