停放紧急制动系统空气的输送
parking secondary brake system air supply
停放制动器空气压力开关
parking brake air pressure switch
通风和空调系统
Ventilating and Air Conditioning System
通风空调防火
Fire prevention of ventilation and air conditioning
通风空调系统
Ventilating and Air Conditioning System
Ventilation and Air-condition System
Ventilation and air-conditioning system
Ventilation and Air Conditioning System
HVAC system
通风空气冷却器
forced convection air cooler
forced draft air cooler
通信卫星太空电台
communication-satellite space station
通用航空无线电磁指示器
general aviation radio-magnetic indicator
同步真空断路器
chemical protective performance
统空气调节系统
air quality alternation system