???????：?????? ?? ????????? ??? ??????? ??? ???????? ???, ?? ???? ?????? ?????????? ?????? ?? ????? ???? ????????? ?????? ?????? ?? ???? ?? ??????? ??.

??? ???? ?????????? ?? ????????? ??????? ?????????? ??? ????? ???, ?? ????? ????????? ????????? ?????? ?????? ?? ?????. ???? ??????? ????????????? ???, ????? ????????? ????????? ?????? ?????? ?? ???? ?? 200 ?? ??? ??, ?????? ??????????? ???????, ?????? ?? ??? ????????, ????????? ??????????, ????? ??? ?? ???? ???? ??. ??? ????????? ????????? ???????? ???? ???????? ???? ???????? ?? ??? ???? ?????? ???????? ????? ?????? ?????? ???????? ??????? ??? ????.

1. ???????? ????????? ?????? ???????? ??? ???????? ???????

??? ???, ??????????, ???????, ?????, ??? ????, ????.

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?????? ????? ???? ?????? ????????? ????? ?????? ?? ???? ?? ?????????? ??? ???? ???? ?? ??? ????? ?????? ??????? ??. ???? ?????? ????? ???? ???? ????????? (???????? ????? ?? ?????????? ???? ?????) ??????????? ?????? ????? ?????????? ????? ????.

2. ??? ???? ????, ?????????? ??? ???? ????, ???.

?? ??? ????? ?????? ???????????? ?? ?????????? ????? ??????? ?? ??? ?? ??????? ??? ???????. ??? ?????? ???? ?? ?????? ???? ????? ???? ????????? ???? ??? ??????????? ??, ?? ????????? ???? ???? ?? ?? ??? ??? ??? ?????. ?????? ???, ??? ???? ???? ????? ?????? ????? ???? ???????? ??????? ??? ????, ??? ?????? ??? ????, ????? ??????? ???, ?????? ?????? ?????? ? ???????? ????. ?? ????????? ?? ?????? ??????????? ???? ?????.

????????? ???? ????????? ???? ??? ???? ???? ??? ???????? ?? ?????, ????

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PE ?? ??? ????? + ??? ??? ?????, ?????? ??? ????? + ?????? ??????? ????????

????????????, ????? ???????? ???????? ???? ??????? ??? ????? ???????? ??????? ?? ???? ?????? ???????? ??????? ???? ?????? ???? ?????? ????????. ? ????, ??????? ???????? ????? ???? ??? ?????? ???? ???? 1,200mm ???????? ????? ?????? ?????? ?? ???? ??. PE ???????? ????????? ???????? ?????? ???????? ?? ?? ????? ???????????? ???? ???????? ????? ?? ?????. ???, ????? ????????? ????? 10-350mm ??? ?? ???, ?????????????? ???????? ???? ???????? ?????.

????????? 560mm ???? ???????????? ?? ???, ??? ??? ?????? ?? ?????? ??? ?????? ????? ?????? ?? ???.

???? ???????? ????? ???? ???????, ?????? ?????, ??????????? ???? ????? ?? ????? ???? ??????? ???? ???????????? ???? ???? ???? ????. ?? ?????? ??????? ????? ??????? ?? ?????? ???????????? ????? ???????? ?? ???, ????? ?????????? ??????? ?? ??? ?? ???? ???????? ??? ????. ????? ??? ??????????? ???? ???????? ????, ?????? ???????? ????? ???? ????? ???????? ????????????? ?? ???? ???, ?????? ??????? ????. ?????????, ?????? ???? ??????? ?????????? ?????? ?? ?????. ???? ????????? ???? ??????? ???????? ???, ?????? ???? ??????? ???????? "?? ?? ??" ?? "?" ?? ??????? ???????? ??????? ????.

3. ??????, ????????? ??????????, ????? ???? ???.

??These ????? ?????? ?????? ?????? ??. ????? ?????? ???? ???????? ???????? ???, ??? ???????? "?????????" ??, ?????????? ????????? ??????????. ??????? ?????????? ??? ??????? ?????????? ?????, ????????? ?????????? ?????????? ?????? ??? ???? ?????????? ?? ??? ?????? ???????? ??? ???????? ???? ??????? ??????? ??. ????????? ?????????? ?? ???????????? ???? ??????, ??????? ??????, ???? ?? ????? ?????? ??, ?????? ?? ?????? ????? ?? ???? ??? ?? ?????? ???????????? ?? ????? ???????, ????? ?????? ??????? ??????? ?? ????????? ????? ??? ???.

???????????? ?????????? ?????? ?? ????? ???? ????????? ???????? ?????? ????? ?? ??? ??? ??? ?????? ?? ?????????? ??? ?????? ?????? ???? ??? ?????.

??????????? ?? ???? ?????

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???????? ?????????? ?? ????????? ?????????? ?????? ?? ???????? ???????? ????. ??? ?????????? ??????? ???? ???????? ????? ????????? ???? ?????? ???????.

????????????, ????? ???? ????????? ???? ??????????? ???????????? ??? ????? ????? ???? ????? ?????: ????? ???? ????????? ???? ?????? ??? ???? ????????????? ??????? ?????? 80 MPa ? ??? ???? ??? ???? ???, pH ???????? ??? ?????. ????????, ???? ????????? ??? ???????? ?????? ????? ????? ???????.

???? ???? ?????? ??? ?? ???? ??????? ???, ???????? ????????? ????????? ?????? ???? ?????? ?????? ????????? ?覆盖??? ?????? ????. ??????? ????? ??????? ???? ???? ?????? ????? ???????, ??? ??????? ??????????? ????????? ???? ??????? ??????? ??????? ??????, ??? ???????? ??????????? ??????????? ??, ?? ????????? ?????????? ???????? ??? ????. ??????? ??? ?????? ??? ??? ???? ????? ???, ??? ???? ??? ????? ???, ??? ????????? ??????????? ????????? ???? ???? ???????? ??? ?? ????, ??? ???????? ???? ???? ??? ?? ????.