In heating, ventilating, air conditioning and other engineering system, there are many problems concerned with convection heat transfer.
在供热、供燃气、通风与空调以及其它许多工程系统中，对流换热问题广泛存在。
Introduces the cooling and heating sources and piping system for air - conditioning system in modern villa with analysis on energy saving in air - conditioning operation.
本文介绍了一种高级别墅空调系统的冷热源型式，管路分布等。
Therefore, establishing thermal environment standards for buildings in small town and improving building envelope, heating methods and air-conditioning system are getting more and more important.
因此，建立适合于小城镇住宅建筑的热环境标准，并对当前的住宅围护结构，采暖方式及系统进行改进已迫在眉睫。
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