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文件名称：《专业英语》课件Unit_35.pptx
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更新时间：2025-08-14
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Unit 35MechanicalEngineeringDesignProcess
Text Thedecisionsmadebythedesignersofthebuildingsheating,ventilating,andair-conditioning(HVAC)systemarecrucialindeterminingthermalcomfort,thequalityoftheindoorair,andtheefficiencyofenergyusebythebuilding.Airexchanger