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1620螺旋鋼管
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名稱 規格(直徑*壁厚) 材質 長度(米) 標準 理論重量(Kg/米) 單價(元/噸)
1620*7螺旋鋼管 1620*7mm Q235B 12 國標 278.44Kg/米 3750元/噸
1620*12螺旋鋼管 1620*12mm Q235B 12 國標 475.84Kg/米 3450元/噸
1620*16螺旋鋼管 1620*16mm Q235B 12 國標 632.874Kg/米 3500元/噸
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