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中文-
???????? ???????? pering- ? ???????? ??????????????
???????? ???????? Precast Concrete Construction Methrore- ? ???? ? ?????????? ??????? ???????? Pering Coling ?????????????? ????????, ???? ????????? ?? ??????? ??????????? ????? ?? ???????? ???????????? ??????????? ?????? ???????: ?? ?????? ?????????? ????? ? `?????? ?????? ?????????????? ?????? ??????? ????? ?????? (PHDC) ?????? ??????????????????, Prestressed ????? ??????????????? ?????? ????? (PRSCC), Prestressed ??????????? ?????? ????? (PRHC) ?????????????????, ????? ??????, ????????? ??????????, ?????????, ?????????????:
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