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为了加速祖国的社会主义建设,为了适应当前鋼鉄工业的突飞猛进的发展,必須有大量的銅与之相适应。这就要求我們以后在大力发展鋼铁工业的同时,必須大力增加銅的生产。在銅的生产中,选矿是一个重要的环节,因此,大力研究和推广土法选銅,就具有极重大的意义。以下我門将簡单的叙述几种土法选銅的方法,主要是提供給根本沒有选矿基础的手工业合作社或新开办的选矿埸参考。由于篇幅所限,內客或有不够全面之处,希望读者根据具体情况考虑和改进。
In order to accelerate the socialist construction in the motherland, in order to adapt to the rapid development of the steel industry at present, a great deal of copper must be adapted to it. This requires us to vigorously develop the steel industry at the same time, we must vigorously increase copper production. Mineral processing is an important link in the production of copper. Therefore, it is of great significance to vigorously study and popularize copper selection from indigenous countries. Below I will briefly describe the method of copper selection of several indigenous methods, mainly to provide no fundamental basis of handicrafts cooperatives or newly established mineral processing 埸 reference. Due to the limited space, internal guest or not comprehensive enough, I hope readers to consider and improve according to the specific circumstances.