... 高韧性超低氢焊条high toughness super low hydrogen electrode 奥氏体焊条austenitic electrode 铁素体焊条ferritic electrode ...
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... austenitic cast iron 奥氏体生铁,奥氏体铸... austenitic electrode 奥氏体钢焊条... austenitic stainless steel 奥氏体不锈钢...
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austenitic stainless steel electrode 奥氏体不锈钢焊条
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