管道流量计算公式

口径DN面积流速M/S时间（秒）绝对压力流量M3/h 250.0004908732036004141.37155 500.0019634942036004565.4862 650.0033183042036004955.671678 800.00502654420360041447.644672 1000.00785397520360042261.9448 1250.01227183620360043534.28875 1500.01767144420360045089.3758 2000.031415920360049047.7792 2500.049087344203600414137.155 3000.070685775203600420357.5032 3500.096211194203600427708.8238 4000.1256636203600436191.1168 320.0008042472036004231.6231475