钢管流速流量对照表 (1)

镀锌钢管管径流量流速对照表管径（DN）流量m3/h0.4m/s0.6m/s0.8m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s2.0m/s2.2m/s2.4m/s2.6m/s2.8