一组密封 meaning in English
seal stack
Examples
- A concealed exhaust system equipped with high efficiency particulate air ( hepa ) filter was installed for the safety cabinets and the fume cupboards to reduce pollutant emission of the exhaust air by 99 %
为减少化验所排放的废气对空气质素造成影响，化验所安装了一组密封式排气系统，接连者安全罩柜和排气罩柜。