除尘器

例句：

1. 1. The factory uses a powerful dust extractor to clean the air in the workshop.
   工厂使用一台强力的吸尘器来清理车间的空气。
2. 2. The engineer designed a new type of dust extractor that can effectively remove dust from the workplace.
   工程师设计了一种新型的吸尘器，能有效从工作场所清除灰尘。
3. 3. The dust extractor is an essential tool for maintaining cleanliness in industrial environments.
   吸尘器是工业环境中保持清洁的关键工具。