... annealing oven ==> 退火炉 annealing pig iron ==> 可锻铸铁用生铁 annealing point ==> 退火点 ...
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pig iron for malleable cast iron
... pig iron for ductile cast iron 球墨铸铁用生铁 pig iron for malleable cast iron 可锻铸铁用生铁 acid bessemer pig iron 酸性转炉生铁 ...
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