H型钢规格 理算重量kg/m 100*50*5*79.54000 100*100*6*817.2000 125*60*6*813.3000 125*125*6.5*923.8000 148*100*6*921.4000 150*75*5*714.3000 150*150*7*1031.9000 175*90*5*818.2000 175*175*7.5*1140.4000 194*150*6*931.2000 198*99*4.5*718.5000 200*100*5.5*821.7000 200*200*8*1250.5000 20...