www.cad2d3d.com
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CAD画家 提供工业自动化各种机械设备、自动化专机、电气控制装置等2D图纸/3D模型源文件下载。学习机械设计和电气控制等知识教程,分享新工艺、新技术、新产品,汇集自动化和电气控制行业专家,提供工业自动化行业整体技术解决方案。
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