1. Air-cooler is an ordinary heat exchange set.

2. air-cooler is an ordinary exchange set.

3. Rigorous air-cooler model Rigorous Air Cooler design and rating.

4. air-cooler is an ordinary heat exchange set.

5. This kind of air-cooler is applied in DF 4 , DF 5, DF 7 diesel engine etc.

6. Finned air-cooler in the LLDPE unit of Maoming Ethylene Industry Company has been revamped aimed at the existing problems and combined with the practical production requirements.

7. The mathematical model was proposed in this paper on the frosting performance of an air-cooler in one freezing room of a poultry enterprise in Huazhong area.

7. try its best to gather and build good sentences.

8. Applicable for air heat exchange system, such as central air conditioning system and air-cooler, etc.

9. This paper presents the problem of hot gas defrost on air-cooler in ammonia refrigeration systems at our is-trict cold rooms, and proposes how to solve.

10. The invention also discloses a manufacturing method of improved structure air-cooler.

11. In studying air-cooling process with humidification or dehumidification, it is necessary to measure the enthalpy difference of air before and after the air-cooler.