Presents the theoretical model of pressure drop for flexible duct.
介绍了柔性风管压力损失的理论模型。
On the basis of the comparison of the advantage and disadvantage of the rigid and flexible ventilation duct, the choice of large diameter flexible duct is proposed.
综合考虑刚性和柔性风管的优缺点，选择大直径柔性风管进行通风。
On the basis of the comparison of the advantage and disadvantage of the rigid and flexible ventilation duct, the choice of large diameter flexible duct is proposed.
综合考虑刚性和柔性风管的优缺点，选择大直径柔性风管进行通风。
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