steam-jet air ejector
蒸汽喷射式空气抽逐器
automatic sequential air sampler
自动连续空气抽样器
When all air has been removed, the vessel is sealed off.
把全部空气抽走后，将容器密封起来。
These manifolds are connected to the vacuum system through air take-off lines in order to remove the non-condensable gases from the condenser.
这些集管通过空气管线与抽真空系统相连，以便从空冷凝汽器内抽走不可冷凝的气体。
The pump sucks air out (of the vessel) through this valve.
这台泵通过这个阀门把（容器中的）空气抽出.
Vacuum Pumping System for Cabin Pressure Regulator Dynamic State Test Stand
座舱压力调节器动态试验台真空抽气系统
Upgrading of the Air Extraction System of Double Back Pressure Condenser and Benefits Analysis
双背压凝汽器抽空气系统的改造及效益分析
wet system of evacuating
（用喷水空气泵抽空的装置）湿体系抽空
The air is evacuated from the furnace.
从真空炉中抽出空气。
For hogging purpose two 100 % vacuum ejectors (one work one standby with Hogging Ejector) are provided.
基于建立真空的目的，我们提供两台100%两级射汽抽气器（带启动抽气器）。
Dehumidification: Removal of humifity from the air.
抽湿:把空气中的湿气抽除。
ecay of air pollutants
空气污染物的逐渐减少
The air quality in the urban areas picked up gradually.
城市空气质量逐步提高。
neon light tube vacuum pump
霓虹灯管真空抽气泵
sequential sampling method
逐次抽样法逐次抽样法
evacuated quartz tube heater
抽真空式石英管加热器
When ejectors are used for pumping this air, attention must be given to minimizing thrust losses.
当采用引射器来抽引冷却空气时，必须注意减少推力损失。
explosive-pumped gas dynamic laser
爆炸抽运气动激光器