钢材现行价在3500左右一吨。。你如果想折算你所想要的长度单价，，现在发一个别人收集的 长度与重量关系表格 看了就明白了！C型钢：,50,15,2.5,17.06,39.4,523,813400,171900,1090,3528000003,槽120x50x20x2.5,120,50,20,2.5,17.06,40.3,598,1294000,209600,1246,6609000004,槽120x60x20x3.0,120,60,20,3,21.06,48.7,765,1706800,373600,2296,11532000005,槽140x60x20x3.0,140,60,20,3,19.64,46.1,825,24...
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