chromium dibromide

例句：

1. 1. The steel was treated with a solution of chromium dibromide to improve its corrosion resistance.
   该钢材经过铬二溴化物的溶液处理，以提高其抗腐蚀性。
2. 2. The chemical engineer used chromium dibromide as a catalyst in the reaction.
   这位化学工程师在反应中使用了铬二溴化物作为催化剂。
3. 3. The process involves treating the metal with chromium dibromide to remove impurities.
   该过程涉及用铬二溴化物处理金属以去除杂质。