For 25-mm, assuming L= 100 m, SCH 40 PVC pipe: h f = 7.18 m or 7.18/100 m, ... PVC 1-in. steel hf = 5.51 m or 5.51/100 m, ( 30.4 psi/100 ft (685.8 kPa/100 ...
確定! 回上一頁