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並前往https://www.rehva.eu/fileadmin/hvac-dictio/01-2012/02-2012/how-to-improve-energy-efficiency-of-fans.pdf

How to improve energy efficiency of fans for air handling units

In many. EU countries, designers only specify the needed airflow and pressure of a fan in an AHU assembly. The con- tractor, responsible for ventilation ...

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