... metal-arc gas-shielded welding气保护金属极电弧焊 metal-arc gas-shielded welding (MAGSW)金属极气保护焊 metal-arc welding金属极电弧焊 ...
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金属极气体保护焊 MIGMAG
金属极惰性气体保护焊 metal inert-gas arc welding
金属极气体保护电弧焊 gas metal-arc process
金属极惰气体保护焊 gas metal arc weld
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