nickel iron

例句：

1. 1. The new car has a nickel-iron alloy engine that is more efficient than the previous model.
   这款新车搭载的镍铁合金引擎比之前的模型更高效。
2. 2.Nickel-iron steel is commonly used in construction due to its strength and durability.
   由于其强度和耐用性，镍铁钢在建筑中被广泛使用。
3. 3.The nickel-iron alloy was developed to improve the strength and resistance of the material.
   这种镍铁合金的开发目的是为了提高材料的强度和抗性。