mist of chromic acid

例句：

1. 1. The chemical engineer was spraying a mist of chromic acid onto the surface of the metal to harden it.
   化学工程师正在将铬酸雾喷洒到金属表面上，以使其硬化。
2. 2.The factory had to shut down due to the mist of chromic acid that was affecting the air quality.
   由于铬酸雾影响空气质量，工厂不得不关闭。
3. 3.The scientist used a special filter to capture the mist of chromic acid before it could harm the environment.
   科学家使用特殊的过滤器捕捉铬酸雾，以免其对环境造成伤害。