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he ventilation and reduce workers’work efficiency and ability. How to reduce the additional respiratory resistance is always the emphasis in international respiratory protection research field. This pape...【關(guān)鍵詞】呼吸阻力 計算流體力學(xué)分析(CFD) UG二次開發(fā)【英文關(guān)鍵詞】Respiratory resistance Computational fluid dynamics (CFD) UG development【目錄】呼吸防護(hù)面具罩體的流體力學(xué)分析及參數(shù)化建模研究摘要45Abstract56第1章 緒論914 論文研究背景及意義913 論文研究背景911 論文研究意義1113 本文主要研究