循环空气 meaning in Chinese

circulating air
makeup air

The establishment of reverse - brayton cycle air refrigerator test rig
循环空气制冷机系统试验台的建立
Kevin ' s got asthma . that recycled air in the plane i mean , yuck
凯文有哮喘病。飞机上的循环空气，很讨厌的
Laboratory equipment . enclosure for toxic using recirculating air filtration . general , classification , requirements
实验室设备.循环空气过滤出来的毒气用封闭箱.总则分类和要求
Heat exchangers . forced circulation air - cooling and air - heating coils . test procedures for establishing the performance
热交换器.强制循环空气冷却和空气加热盘管.确定性能的试验程序
Heat exchangers - forced circulation air - cooling and air - heating coils - test procedures for establishing the performance
热交换器.强制循环空气冷却和空气加热盘管.性能确定的试验规程

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