Pulverizers located on the fifth floor do this job.
位于五楼的粉碎机负责这项工作。
英语演讲大全
You must have a pulverizer for yourself before you go to bed.
睡觉前一定要给自己准备一台粉碎机。
英语百科
Pulverizer
A pulverizer or grinder is a mechanical device for the grinding of many different types of materials. For example, a pulverizer mill is used to pulverize coal for combustion in the steam-generating furnaces of fossil fuel power plants.