copper-tin alloy

例句：

1. 1. This copper-tin alloy is used in the production of electrical contacts.
   这种铜锡合金用于生产电气接触点。
2. 2.The brass alloy has a beautiful shine and is often used as jewelry.
   这种黄铜合金有美丽的光泽，常被用作珠宝。
3. 3.Bronze-tin alloy is commonly used in the construction industry due to its strength and durability.
   青铜锡合金因其强度和耐用性而广泛应用于建筑业。