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лл,Բ׶չͼô

༭:    Դ:û   ʱ:2018/1/13   鿴:39



˭֪лл,Բ׶չͼô࣬лϣ


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CADôԲ׶չͼ
һԲ׶ӽϡôcadηֽͼϿھ900mm...
ҷͼ㿴ɡҵ˼·ǣȽ900߶κ100߶λãȻбߣȻԶΪԲĻԲʹlenCAD㹫ʽõ*900ͦ*100ԲֵĻ


һƪ4...5˭̸ʵִ,,(ٸ50л)A3
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