tin-plated iron

例句：

1. 1. The old car was rusted and needed a lot of tin-plated iron to be fixed.
   这辆旧车已经生锈了，需要大量的镀锡铁来修复。
2. 2.The construction workers used tin-plated iron to reinforce the walls.
   建筑工人使用镀锡铁加固墙壁。
3. 3.Tin-plated iron is often used in the manufacturing of tools and machinery.
   镀锡铁常用于制造工具和机械。