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。

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Presents the air conditioning and ventilating system design and its characteristics for the producing area, living quarter and mechanical room of the workshop.

介绍了该厂房生产区、生活服务区及机械室的空调通风与制冷系统的设计及特点。

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