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Qalab kaxaynta ka hor oo caajisay
Habka dhismaha ee tuunsiga shubka ah ee hore loo caajisay waa in la isticmaalo qalabka tuullan ee shubka ka horreeya ee caajiska ah ee qodista, walaaqidda qoto dheer iyo ballaadhinta hoose, iyo ugu dambayntii la geliyo jirka raso kabka ka horreeya.Waa habka aasaasiga ah ee aasaasiga ah oo leh noocyo kala duwan oo noocyo kala duwan ah oo ka mid ah rukunka guntinta guntinta xoogga sare ee prestressed (PHDC), raso la taaban karo ee xoogga badan ee prestressed balaarin, Durid, beerid.
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