Dhuumaha biyaha AWWA C200 birta birta ah ayaa si weyn loogu isticmaalaa beeraha/warshadaha soo socda: Xarunta korontada Haydarooliga, warshadaha sahayda biyaha la cabbi karo, Penstock waraabka, wasakhda qashinka line line AWWA C200 heerarka daboolaya dabada-welded, tolmo toosan ama spiral-seam welded qaab dhismeedka Dhuumaha birta, 6 ...
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