陈小姐18924545908工字钢理论重量表型号高度*脚宽*腰厚理重10100*68*4.511.26112120*74*513.98714140*88*620.51318180*94*6.524.14320a200*100*727.92920b200*102*931.06922a220*110*7.533.0722b220*112*9.538.105)