风风管管尺尺寸寸(mm)送送风风量量(l/s)圆圆管管尺尺寸寸 D(mm)速速度度V(m/s)比比摩摩阻阻(Pa/m)宽宽高高2502001802443.850.882503203003094.010.72100050032507627.130.68100045027757196.830.67125040027757446.390.57100040023256746.520.6780040017006095.830.6263040012505455.350.605004009504885.080.63管管长长(m)总总损损失失(Pa)10.8810.7210.6810.6710.5710.6710.6210.6010.63
