含二价铬的

例句：

1. 1. The steel is made from a mixture of iron and carbon, which contains a small amount of divalent chromium.
   这种钢是由铁和碳混合制成的，其中含有少量的二价铬。
2. 2.The alloy has excellent corrosion resistance, thanks to the presence of divalent chromium.
   由于含有二价铬，这种合金具有极好的耐腐蚀性。
3. 3.In some applications, the addition of divalent chromium can improve the mechanical properties of the material.
   在某些应用中，添加二价铬可以提高材料的性能。