ferrochrome iron

例句：

1. 1.The steel is treated with a special ferrochrome to improve its strength.
   这种钢材经过特殊处理以提高其强度。
2. 2. The painter used ferrochrome to create the vibrant colors on the canvas.
   画家使用铁铬合金在画布上创作出鲜艳的颜色。
3. 3.The ferrochrome coating protects the metal from corrosion and wear.
   铁铬合金涂层保护金属免受腐蚀和磨损。