white iron purite

例句：

1. 1.This white iron purite is the best material for making tools.
   这种白铁纯是制作工具的最佳材料。
2. 2. The pure white iron purite has a high melting point and good heat resistance.
   纯白色的白铁纯具有高熔点和良好的耐热性。
3. 3.The iron purite was used to make the bridge, which is still standing today.
   这种铁纯被用来制造这座桥，它至今仍屹立不倒。