在大多数情况下，空调是通过同时吞噬能源和地板和天花板之间的空间的通风管实现的，这里的冷却是由一个水冷却系统。
Most of the time, air conditioning is done by fat air ducts which gobble both energy and space between floors and ceilings. Here the cooling is done by a cool water system.
集中空调关闭期间，采集集中空调通风系统送风管内的积尘样品，检测其细菌总数、真菌总数；
Dust sample in blast pipe was collected when centralized air ventilation system was off, the total content of the bacterium and fungus was examined.
通风空调系统风管中的聚集物可能引发火灾，或成为火灾在建筑物内蔓延传播的重要途径。
The sediment in ventilation an air-conditioning systems may cause a fire, or spread the fire.
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