铁合金

例句：

1. 1. The iron alloy is used in the manufacturing of various tools and machinery.
   这种铁合金用于制造各种工具和机械。
2. 2. The engineers developed a new type of iron alloy that can withstand high temperatures.
   工程师们开发了一种能承受高温的新型铁合金。
3. 3. The use of iron alloys has greatly improved the strength and durability of construction materials.
   铁合金的使用大大提高了建筑材料的强度和耐用性。