Presents design of the ventilation system of enclosed cold rolling workshops in the Baoshan Steel Company and the operation effects of a steel factory in Japan. Provides the method and some problems in design of ventilation in enclosed cold rolling workshops.%介绍了宝钢封闭式冷轧车间通风系统的设计概况及日本不锈钢厂封闭车间通风系统的运行效果,提出了此类系统的设计方法和应注意的问题。
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