vacujet

例句：

1. 1. The vacuum jet was used to clean the floor.
   使用真空喷射器来清洁地板。
2. 2. The vacuum pump is essential for maintaining a clean environment.
   真空泵对于保持清洁环境至关重要。
3. 3. The vacuum sprayer was used to remove dust from the carpet.
   使用真空喷雾器从地毯上去除灰尘。