vacuum generator

例句：

1. 1. The vacuum generatoris essential for maintaining cleanliness in thekitchen.
   真空发生器对于厨房的清洁至关重要。
2. 2. The vacuum generator was designed to removedust and dirt from hard surfaces.
   真空发生器被设计用来从硬质表面去除灰尘和污垢。
3. 3. The vacuum generator is usedto create a negative pressure in the room, which helps to draw dust and debrisinto the machine.
   真空发生器用于在房间内产生负压，这有助于将灰尘和碎屑吸入机器中。