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Öňde-de, öňki pürtükli enjamlara öňünden
Öň bakylan taksaň sany prin gurluşyk usuly ýokarlanmak, çuňňur garamak üçin öňünden çykan deslapky guýulýan enjamlaryň öňünden ýasalan enjamlary sarp etmegiň we deslap öňki zynjyrly bedene päsgel bermek üçin içgysyndan öňünden ýapylan guýulýan enjamlaryň ulanylmagyny üpjün edýär. It's a pile foundation method with various combinations of different types of the prestressed high strength concrete knot diversion pile (PHDC), prestressed high-intensity concrete pile (PHC), prestressed reinforced high strength concrete pile (PRHC) under sequence as pilling, Root-enlarging, Injecting, implanting.