陆栖无脊椎动物的一种呼吸系统，由开口于体壁的气门和一系列气管组成·有爪动物门的栉蚕，气门很多，排列不规则而且无开闭机构，气管通常不分支，直接分布到各器官·
通气管系统 vent system ; venting system
进气管系统 air intake duct system
可变进气管系统检查 ACIS SYSTEM CHECK
闭式气管系统 [昆] closed tracheal system
可变进气歧管系统 VIS ; VGIS
电气监控管理系统 ECMS ; FECS
空气管式火警系统 pneumatic tube fire alarm system
丰田可变进气歧管系统 ACIS
风机盘管空气调节系统 fan-coil air-conditioning system ; coil system ; conditioning system ; fan coil system
气体竖管系统 gas stand pipe system
工作内容主要是对房屋进行查验，包括房屋的加热系统、煤气管道、污水处理系统、窗户玻璃，甚至还包括房屋的空气质量等等。
Instead, as part of his job, he visits newly decorated apartments to inspect the heating systems, gas pipes, sewage systems, window glasses and even the air quality in rooms.
在一个已经铺设好天然气管道，且燃油系统无论如何都要被替换掉的地区，补偿当然是不成问题的。
Of course, payback is not an issue on a system that needs to be replaced anyway in a place where pipelines to gas are already in place.
煮汤的时候会释放出来一种氨基酸，这和药物乙酰半胱氨酸很相似，这种药物被用来治疗支气管炎和呼吸系统的疾病。
There, Stone tells us, cooking the soup releases an amino acid that resembles the drug acetylcysteine, which is used to treat bronchitis and other respiratory ailments.
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