您要查找的是不是：
- inner vortex (旋流集尘器)内螺旋线
- 集尘旋流器dust cyclone
- 旋流集尘器cyclone dust collector
- 多管式旋流集尘器multicyclone dust collector
- 切线进入式旋流集尘器tangential-entry type cyclone
- 旋流引鞋swirl guide shoe
- 集尘灰condensed fly ash
- 气旋集尘器cyclone collector
- 旋流场Swirling flow field
- 旋流比swirl ratio
- 滤网集尘Filter mesh for dust collection
- 旋流管air filter
- 膨胀室集尘器expansion chamber collector
- 浓密旋流器thickening cyclone
- 集尘凹槽dust arrest groove
- 旋流槽circumrotate channel
- 远心集尘器centrifugal dust collector
- 旋流站cyclone station
- 龙卷风式集尘器tornado dust collector
- 大旋流maelstrom
