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Qalab kaxaynta ka hor oo caajisay
Habka dhismaha tuunbada 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 asaasiga ah oo leh noocyo kala duwan oo noocyo kala duwan ah oo ka mid ah tuubada guntinta guntinta xoogga sare ee prestressed (PHDC), raso la taaban karo ee xoogga badan ee prestressed balaarin, Durid, beerid.
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