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①这兩座煉銅爐快要出銅了。②山西省昔阳地方国营铜厂,创造性的采用了化铁小圓爐煉铜成功。这种爐每日能煉铜500公斤。因为化鉄小圓爐制造技术簡單,操作方便适合于在全国各地推广应用。③全民煉銅运动中,商业系統的职工也开始了土法煉銅。他們为了給国家商业职工提供煉銅技术,特在北京作了土法煉銅的技术传授。这种爐子是用600块砖砌成的,用自来风冶煉,4
① The two smelting copper furnace is about to go out of copper. ② Xiyang, Shanxi Province, the state-owned copper plant, a creative use of small round iron smelting furnace success. This kind of stove can make 500 kilograms of copper daily. As a result of a small round furnace manufacturing technology is simple, easy to operate suitable for promotion in all parts of the country. ③ national copper campaign, employees of the commercial system has also begun indigenous copper smelting. In order to provide state commercial workers with copper smelting technology, they specially taught the technique of indigenous copper smelting in Beijing. The stove is made of 600 bricks, smelting with wind