对铜管来说，我们都知道铜在化学活性排序中序位很低，性能稳定，耐腐蚀性极强。
Of brass, we all know that the copper in chemical and active sort order is very low, stable performance, strong corrosion resistance.
它具有极强的耐腐蚀性、耐久性、耐热性、轻质、施工简便、美观现代、环保经济等优点，它已成为世界各地瞩目青睐的屋面瓦材。
It has more advantages as being heatproof, light, elegant, conveniently installed, environment-friendly, and economic as well. Now it is enjoying a great popularity all over the world.
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