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国民经济各个领域对铝合金变形半成品的需求在不断地增长。这些需求可以通过扩大生产基地和增加每个冶金设备的单位产量来得到满足。后一种方法,是迅速发展的方法,是比
The demand for semi-finished aluminum alloy deformation in all fields of the national economy is constantly growing. These needs can be met by expanding the production base and increasing the unit production per metallurgical plant. The latter method, which is a rapidly developing method, is more than that