铜棒铜合金铜板352.0109¥1950去看看汇 龙国际工厂店发布了CuNi44铜合金2.0842铜棒CuMn12NiAl2.1365铜板G-CuL352.0109.01453 元券CuNi442.084272150¥4530去看看霁芸官舤店发布了银番2.0842/CuNi44Mn1/NC050/CuNi44/C72150/56Cu-44Ni/C7215钢