美标槽钢规格美标槽钢型号美标型号腰宽*腿高腰厚腿厚单位重量BSC1-1/2*9/1638*14.34.764.762.145BSC2*1*1/851*253.005.502.37BSC2*1*3/1651*255.005.503.46C3*3.576*353.406.005.20C3*4.176*354.306.006.10C3*576*376.607.007.40※C3*676*409.007.008.90※C4*4.5102*403.207.506.70C4*5.4102...

时间:2024-11-01 21:13栏目:行业资料