Ductalloy

例句：

1. 1. The ductalloy was used in the construction of the new bridge.
   这种导管合金被用于建造新的桥梁。
2. 2.The engineers were using ductalloy to make the pipes for the pipeline system.
   工程师们正在使用导管合金来制造管道系统。
3. 3. The ductalloy is stronger and more durable than traditional steel pipes.
   导管合金比传统的钢管更强壮、更耐用。