PVC ????? ??????? ????? ???
??????? ??? ??? ????????????? ?????, ????????????, ??????? ????????, ????????, ??????, ???????, ????, ????? ?? ????? ?????, ?????? ????????, ??????? ?? ???? ??? ????? ???? ????? ?????????? ???? ??????? ??? ?? ??????? ?? ???????? ??????? ???? ?????? ??????? ?????? ?????. ??? ???????? ??? ??? ????? ?????? ?? ?????? ????, ?? ??????? ?????, ??? ???? ????????????? ?? ???? ??? ???, ??????? ?????????? ??????? ?? ??? ????? ?????? ????? ?????? ??.
??????? ???????? ???? ????? ???
2.0m/s ????? ??????? ??????? ?????, ??? ???? ???? ??????????????? ???? ????? ????? ????????? ?? ???? ?????????? ???? ???? ????? ????????? ??? ??. ??? ??? ???????? ???? ???????? ?? ??? ???, ????? ???? ?????? 1 ?? ??? ???? ?? ???, ????? ??????? ??????? ????????? ?? ??? ???? ???? ???? ??????? ???????? ?????? ??. ??? ???? ???????? ?? ??????????? ??? ?????????? ??????????????? ?? ???????? ???? ???????? ???? ??????? ????????? ?? ??????? ??????? ????.
????????? ?????? ???
??? ??? ????: 40mm ~ 50mm
??? ??? ????: ???, ??????? ??? ???
???? ????????: -10 ????????? ???? ~ ???????? ????????
??????? ??? ?????: ??????? ????, ?? ????????
???????? ?? ??? ????: ??????? 15 ??
??????????? ????????? ???????? ???
?????? ?????: ???? ???????? ?????, ???????? ?????, ???????? ?????? ???????, ????, ?????? ???? ???????? ????.