cold-formed thin-wall lightweight steel structure
...冷弯薄壁轻型钢结构; CAD/CAM; 软件架构; 数据结构; 软件开发 [gap=1413]Key words: cold-formed thin-wall lightweight steel structure; CAD/CAM; software framework; data structure; software development ..
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cold-formed thin-wall lightweight steel structure
冷弯薄壁轻钢结构
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