平上‘U 90︸匀74 d.月了一了2︸刁-l︸﹃煤炭汽油柴油生铁钢材 重轨 轻轨 大型型钢 中型型钢 小型型钢 线材 特厚钢板 中厚钢板 薄钢板 硅钢片 优质型材 无缝钢管 焊接钢管铜铝铅锌锡镍硫酸烧碱纯碱~0 .8 0 .2 2一0 2 .4一0 .5一2 .3~0 .9一1,1 0 .313。3 4一921.4一9。8l·2} Flat on the ’U 90} uniform 74 d. On the 2nd 2 Diao -1}﹃ coal gasoline diesel pig iron steel heavy rail light rail large steel medium steel small steel wire thick steel plate thick steel thin steel silicon steel high-quality seamless profiles Steel pipe welded steel pipe copper aluminum lead zinc tin nickel sulfate soda ash soda ~ 0 .8 0 .2 2 a 0 2 .4 a 0 .5 a 2 .3 ~ 0 .9 a 1,1 0 .313.3 4 a 921.4 a 9.8l · 2}