青铜即(铜锡合金)：它主要的特色是除了锌镍之外，耐腐蚀性很好的。
Bronze (copper tin alloy) : its main feature is the addition of zinc nickel, corrosion resistance is very good.
蒙乃尔对于强碱也具有很好的耐腐蚀性。
紫铜纯铜合称为紫铜：它具有很好的导热性、导电性、耐腐蚀性以及延展性。并且可塑性较强是公认的铜门优质材料。
3 copper copper called copper: it has good thermal conductivity, electrical conductivity, corrosion resistance and ductility. And strong plasticity is recognized as the bronze quality materials.
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