The reducing annealing furnace is adopted.

采用无氧化还原退火炉.

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Reducing annealing furnace: The furnace is used to anneal and reduce cold rolled carbon steels.

还原退火炉: 炉子用于冷轧低碳钢的还原退火.

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Protective gas system: pipe line from the protective gas generation station to reducing annealing furnace.

保护气系统: 从保护气体发生站至还原退火炉的管道.

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