混凝土管道的闭水试验允许渗水量公式:h% /Ã,Üàbbs.3c3t.comfHQuÌ仪
Q=1.25*(开弓号 D)h% /Ã,Üàbbs.3c3t.comfHQuÌ仪
Q----允许渗水量(m3/24h*km)h% /Ã,Üàbbs.3c3t.comfHQuÌ仪
D----管道内径(mm)h% /Ã,Üàbbs.3c3t.comfHQuÌ仪
h% /Ã,Üàbbs.3c3t.comfHQuÌ仪
¢500mm的管道渗水量是不是:1.165L/ (h*m)????????h% /Ã,Üàbbs.3c3t.comfHQuÌ仪
h% /Ã,Üàbbs.3c3t.comfHQuÌ仪
化学建材管道的闭水试验允许渗水量公式:h% /Ã,Üàbbs.3c3t.comfHQuÌ仪
Q=0.0046Dh% /Ã,Üàbbs.3c3t.comfHQuÌ仪
h% /Ã,Üàbbs.3c3t.comfHQuÌ仪
¢500mm的管道渗水量是不是:2.30L/ (h*m)?????????h% /Ã,Üàbbs.3c3t.comfHQuÌ仪