air extractor

基本解释

The inspector asked the restaurant to replace the filter on the air extractor .
监察员要求餐馆更换排气扇的过滤网。
Air accumulation in the condenser owing to insufficient output of air extractor can increase the terminal temperature difference and the air pressure component.
抽气器出力不足而引起的空气在凝汽器内积聚，使得凝汽器端差和空气分压力均增大，对凝汽器真空造成双重影响。
The stabilization of condenser vacuum due to the collaboration of condenser and air extractor, the running status of air extractor is influential to condenser vacuum.
凝汽器内真空的稳定，需要凝汽器和抽气器的联合工作，抽气器的运行状态对凝汽器真空具有相当大的影响。