二十世纪六、七十年代轰轰烈烈的“三线建设”孕育出了艰苦创业、无私奉献、团结协作、勇于创新的“三线精神”。我省的秦巴山区成了“三线建设”的热土。今天，我们身边的067航天基地和汉中的012飞机制造基地，就是“三线建设”留给我们的珍贵产物。

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