copper-lead alloy

例句：

1. 1.This copper-lead alloy is used in the production of electrical components.
   这种铜铅合金用于生产电气元件。
2. 2. The copper-lead alloy was found to have excellent corrosion resistance.
   这种铜铅合金被发现具有极好的耐腐蚀性。
3. 3. The copper-lead alloy was used as a substitute for gold in jewelry making.
   这种铜铅合金被用作珠宝制造中的黄金替代品。