copper aldary

• 铜合金

copper aldary的用法和样例：

例句

1. Two widely used alloys of copper are brass and bronze.
   黄铜和青铜是两种广泛使用的铜合金。
2. This paper studies the mechanical properties of new anti-wear copper alloy designed optimally.
   对优化设计得到的新型耐磨铜合金的力学性能进行了试验研究。