风管、风道 air duct ; duct
风管风道
Air duct Air duct
以上为机器翻译结果，长、整句建议使用 人工翻译 。
通过对三种风道系统的压力进行分析，认为应根据风机全压等于风管系统阻力损失来选择风机。
According to the analysis on pressure of three kinds of duct systems, concludes that the total pressure of a fan should be equal to the resistance loss of the duct system.
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