Straight copper tin alloy

例句：

1. 1.This new alloy is more resistant to corrosion than traditional materials.
   这种新合金比传统材料更耐腐蚀。
2. 2.The engineer used this alloy to make the gears for the car.
   工程师用这种合金制造了汽车的齿轮。
3. 3. The alloy was tested for its strength and durability in various environments.
   这种合金被测试了在不同环境下的强度和耐用性。