The effect of frequency conversion technology on the regulation of fanner indicates that the fixed air volume design goes against energy conservation of the ventilation and smoke exhaustion systems of underground parking garage and the systems should be designed as variable air volume systems.
分析了变频技术对风机调节的影响 ,指出地下汽车库通风排烟系统采用定风量设计不利于系统节能 ,该系统宜采用变风量设计 ,同时介绍了变频技术在地下汽车库通风排烟系统中的应
d ventilating-fan system
强制进气排气通风系统
The laboratory exhaust system includes exhaust duct works, exhaust fan, laboratory fume hood exhaust, laboratory canopy hood and cabinets needed venting.
实验室排气系统包括排气管路、气风机、验室通风柜管道、验室排风罩和特殊存储柜的排气管道。
High-rise residential ventilation and exhaust flue gas flow backward Road Analysis System
高层住宅的通风与排烟道烟气倒灌系统的分析
heating, air-conditioning and ventilation
暖气、空调和通风（系统）
Greenwood Air Management Ltd.
绿林通风换气系统公司
combined down cast up-take ventilator
给气、排气两用通风筒
The crankcaseventilation system, using a road-draft tube, vented the crankcase vapors and blow-by gas into the atmosphere.
采用行车抽吸管的曲轴箱通风系统，给曲轴箱内的蒸气和窜漏气体排入大气提供了出口。
Optimizing the Ventilation and Exhaust System of Underground Garage;
地下车库通风与排烟系统的优化设计
The Ventilation and Smoke Prevention and Exhaust System Design of a Certain Big Basement
某地下大空间通风及防排烟系统设计
Site Measurement of Extraction System of a Beijing Subway Station and Research on Optimal Extraction Mode
北京某地铁车站通风排烟系统现场实测与最佳通风排烟模式研究
The nerve gas will most likely be released into a ventilation unit.
神经毒气一般会通过通风系统释放
The sentox nerve gas that was released into the air duct system contains a corrosive agent
神经毒气通过通风系统掺杂腐蚀物
Design of Induce Ventilating & Smoke Exhausting System Without Duct in Small or Middle Scale Underground Garage
中小型地下车库无风管通风排烟系统设计
downcast and uptake ventilator
下向和上向通风筒吸排气两用通风机
exhaust emission control system
排气排放物控制系统
central supply and exhaust system
集中送风和排风系统
The ventilation of a sewer is vital to prevent the concentration of dangerous and offensive gases and sudden fluctuations in the sewage level
排水系统的通风对于防止危险有害气体的积聚和管内水位的忽涨忽落非常重要。
atmospheric gas-burner system
自动通风煤气燃烧器系统
