由于人们长期以来对中央空调装置转换控制的不信任，常规的设计方法一直是以非转换运行为基础的。
With the traditional mistrust of changeover control of the central air-conditioning plant, conventional design solutions have been based upon the non-changeover operation.
适用于空气换热设备，如中央空调、空气冷却器等。也可用于清洗动力装置、油罐等。
Applicable for air heat exchange system, such as central air conditioning system and air-cooler, etc.
内设中央空调和电子门锁系统以及消防监控中心，采用太阳能供热水系统及电辅加热装置。
There are 68 types of rooms, equipped with central air-conditioning and electronic door lock systems, and fire control center, using solar hot water systems and electric auxiliary heating device.
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