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1. ????? ?????? ??? ?????????, ????????? ?????? ????, ??????? ?? ?????? ?????? ???? ????.
2. ?????????? ?????. ????????? ??????????? ?????? ???? ????? ?????? ????, ??????? ?????? ????? ???? ??? ????? ????????? ????? ??? ???? ??? ???? ???. ??????, ??? ??????, ??? ??????? ?????????? ??? ????? ????? ???? ???????? ?? ?????. ???????? ??????? ????. ????, ???? ?? ????? ????? ?????.
3. ?????? ???????? ???? ?????? ??, ???????????? ??????? ???????? ?????? ??? 1-2 ?? ????
4. ????? ?????, ???????? ???????? ???????????? ?????? ????? ??? ??????? ?????????, ?????? ?????????, ??????? ??????????, ????????? ????? ???????? ?? ??????? ????? ????? ?????? ????? ????.
5. ??? ????????, ???? ??????? ?????? ???? ????, ?? ????????? ??? ?????, ???????? ??? ????????? ????-????? ?????? ?????? ?????????????? ???? ?? ????? ??? 1/7 ????.
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???????? ??????? ???? ???? ?? ???????:
????????? ?????? ????? ???????? ????????? ?? ???????????? 3mm ? ??? ?? ??? ??? ?? ???? 0.4 ?? 0.7mm ??? ??. ? ????, ????? ?? ?? ?? ????? 0.3mm ????????? ?????, ???? ???? ????? ?????? ??? ??.
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??????????? ????? ???? ???????? ?????-?????? ?????? ?????, ???????? ?????? ?????????, ??? ???????? ?? ??? ?????.
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???? ???? ??????? ??????, ?????? ??????, ???? ??????, ???????????? ????? ??????, ???? ?????? ??????, ????? ???? ??????? ??????, ???? ???????? ??????, ?????? ??????, ???????? ??????, ???? ??????? ????? ??????, ????? ????? ?????? ???? ????? ??? ?????, ??? ??????? ???????????? ?????? ??. ????? ??? , ????????? ??????????? ?????? ?????? ????? ??? ???????? ????? ???? ?? ?????? ??? ??? ??? ???? ??? ???, ??????? ??????? ??????? ???? ??? ??. ???????? ???, ????????? ??????????? ??????? ?????? ?????? ??? ???, ????? ?????? ???? ????? ?????? ???? ????????? ??? ??.
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????????? ??????? ???? ??????? ???? ????? ??: ?? ????????? ?????? ?? ???? ????????? ?????? (????? ???? ???? ????????). ??????? ?????????, ????????????? ????? ???? ????? ??? ???? ??. ?????????????? ??? ?? ????? ????? ????? ???? ?????? ????? ?? ???????? ????? ???? ??, ???? 0.03mm ~ 0.1mm ??? ?? (??? ????????????? ???????? ?? ??? ????), ?????? ??????, ??? ???? ?? ???????????? ??????? ??. ?? ???????? 3M ??????? ??? ????? ???? ??. ?? ??? ??????.
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?????? ?????? ?????, ??????, ??? ?? ?????????; ????? ?????? ?? ??????? ????? 3M 7533/3M 9448/3M 467/ 3M468 / ??????? ????? ??????? ????????. ???? ???? ????, ??????? ?????? ????????? ???????? ????, ???????????? ????/???/?? ???/??? ???/???????? ???; ???????? ??????? ?????? ????? ????????? ??????? ?????, ????????? ?????, ???? ???????? ?????, ?????????? ????? ?? ???? ???????.
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