013108 - 2009/12/23 16:48:00
混凝土管道的闭水试验允许渗水量公式:öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
Q=1.25*(开弓号 D)öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
Q----允许渗水量(m3/24h*km)öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
D----管道内径(mm)öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
￠500mm的管道渗水量是不是:1.165L/ (h*m)????????öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
化学建材管道的闭水试验允许渗水量公式:öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
Q=0.0046DöK§ xy_În#bbs.3c3t.comÔ :â3iî̲
öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
￠500mm的管道渗水量是不是:2.30L/ (h*m)?????????öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
013108 - 2009/12/23 16:51:00
双壁波纹管是属于化学建材管道把?öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
￠500mm的管道渗水量是不是:0.23L/ (h*m)?öK§ xy_În#bbs.3c3t.comÔ :â3iî̲