关于槽钢尺寸的问题答:1,槽80x40x15x2.0,80,40,15,2,14.52,33.6,347,341600,77900,462,1129000002,槽100x50x15x2.5,100,50,15,2.5,17.06,39.4,523,813400,171900,1090,3528000003,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...