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风管弯头面积计算公式
更新时间: 2020-08-24 00:00:00  

弯头面积计算公式:面积=风管中心线长×πD以弯头1600×320R=320为例:(按三节计算)中段中心线长=320÷COS30°=370整个弯头中心线长=1600-320+370=1650面积=1.65×0,32π=1.6579 ≈1.66(m²)。

关键词: 弯头 面积 计算 公式

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