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对 2 0 0 7铝合金棒材的挤压、热处理制度及冷变形量进行试验研究 ,确定了最佳工艺参数 ,生产出符合相关标准的高精度棒材。
The extrusion, heat treatment and cold deformation of 2 0 0 7 aluminum alloy bars were studied and the optimum process parameters were determined to produce high-precision bars that meet the relevant standards.