帮助父母保持空调和暖气的空气过滤器的清洁。
Offer to help your parents keep the air filters on your ac and furnace clean.
主要叙述空气制冷机的原理及其在列车空调、冷冻冷藏、飞机空调和大型低温环境试验室中的应用。
Discribes the theory of air refrigerator and its application to train air-conditioning, freezing and cold storage, aircraft air-conditioning and large low temperature environmental laboratory.
舒适的空调和通风设备，保持店内清新的空气。同时也配备了防火设备以确保咖啡店的安全。
Comfortable air-conditioning and ventilating equipments, keeping the air inside the cafe fresh. There are also equipped with fireproof equipment to ensure the safety of the cafe.
在上图中，你会发现这架飞机地面电源相连，地面空调和地面空气启动装置。
In the image above, you will notice that the airplane is connected to ground power, ground air conditioning and a ground air-start unit.
以土为原料，用水调和成型，在空气中干燥，经焙烧而经久耐用的陶瓷，代表着古人心目中组成世界四元素的理想组合。
Ceramic which is made shaped with water, dried in air, and made durable by fire, represents the ideal combination of the four elements that the ancients believed compose the world.
同时，中央空调可以作为空气加湿器，空气净化器，空调和通风系统。
Simultaneously, central air conditioning can serve as a humidifier and air purifier, air conditioning and ventilation systems.
本实用新型涉及一种用于中央空调和建筑通风房间的风口式空气消毒净化器。
The utility model relates to a wind port type air disinfection purifier which can be used for central air conditioners and building ventilation rooms.
结合该工程，介绍了海底世界工程特点、对室内空气温湿度的要求、暖通空调和防排烟系统设计以及直流式空调系统中热管换热器的应用。
The paper presents the status of and the operation method take by the accumulator as well as the direct current system one by one to ensure the reliable and steady-going operation of the whole system.
结合该工程，介绍了海底世界工程特点、对室内空气温湿度的要求、暖通空调和防排烟系统设计以及直流式空调系统中热管换热器的应用。
The paper presents the status of and the operation method take by the accumulator as well as the direct current system one by one to ensure the reliable and steady-going operation of the whole system.
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