| 摘要 |
<p>All the grease extracting baffles are incorporated in a single unit which is removable from the ventilator for cleaning. The baffle arrangement changes the direction of the whole flow of air through the ventilator without dividing the flow, a distinguished from removable grease extractors having a large number of narrow, zigzag baffles with narrow air slots between them and mounted in a frame similar to a porous filter frame.</p> |
