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随着国民经济的发展,国家对金属的需要量日益增加。根据第一个五年计划的要求指出:在第一个五年计划完成时,我国钢的产量须要达到412万吨,生钢467.4万吨,有色金属一九五七年与一九五二年产量相比较,钢将增长0.7倍,铅2.3倍,锌2.1倍,锡0.8倍,钨精矿增加0.5倍,为了争取国家五年计划的早日实现,在採矿工业面前,必须不断地提高劳动生产率,减少矿石质与量的损失,降低採矿成本,应用高生产率採矿方法。
With the development of the national economy, the country’s demand for metal is increasing. According to the requirements of the first five-year plan, at the completion of the first five-year plan, the output of China’s steel needs to reach 4.12 million tons, 467.4 million tons of raw steel, non-ferrous metals between 1957 and 1952 In comparison with the output, steel will increase by 0.7 times, lead by 2.3 times, zinc by 2.1 times, tin by 0.8 times, and tungsten concentrate by 0.5 times. In order to get the state five-year plan to realize as soon as possible, in the mining industry, we must constantly improve labor Productivity, reduce the loss of ore quality and quantity, reduce mining costs, the application of high-productivity mining methods.