表一:低压流体输送用焊接、镀锌钢管规格、重量及市场价格表公称直径外径普通焊接钢管普通焊接镀锌钢管加厚钢管壁厚理论重量市场吨价单位价格壁厚理论重量市场吨价单位价格壁厚理论重量市场吨价单位价格(mm)(mm)(kg/m)(元/t)(元/m)(mm)(kg/m)(元/t)(元/m)(mm)(kg/m)(元/t)(元/m)DN.........DN..........DN..........DN.........DN.........DN.........DN.........DN..........DN..........DN........DN.........DN.........DN........DN.........DN.........DN.........DN.........DN.........DN.........DN.........DN.
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