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寻找H型钢:200 * 100 * 8mm,100 * 50 * 5mm,250 * 130 * 8 mm,80 * 40厚.U形槽:80 * 40厚,100 * 50厚,120 * 55,150 * 55。角铁:70 * 70 * 5mm,75 * 75 * 5mm,70 * 70 * 4mm,75 * 75 * 4mm,40 * 40 * 4mm板:5 * 20 * 2mm,3mm,4mm,5mm,6mm和8mm .4 * 8 * 1.5mm,2mm,3mm,4mm,5mm,6mm
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