我厂铸造车间遵照毛主席关于“人类总得不断地总结经验,有所发现,有所发明,有所创造,有所前进”的伟大教导,在无产阶级文化大革命和批林批孔推动下,近一年来对冷风冲天炉进行了一些技术改革,在焦铁比和节约方面都取得了较好的效果,现将改革的技术过程及我们的看法分别介绍如下: Our casting workshop follows the great teachings of Chairman Mao on the principle of “human beings always summarize experiences, discoveries made, inventions made, advances made and advances”. Propelled by the proletarian cultural revolution and the approval of the proletariat, In the past year, we have carried out some technical reforms in the cold cupola and achieved good results in terms of the ratio of iron and iron and the economy. The technical process of reform and our opinions are as follows: