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12? ???? ??? ?????? ???? ??? ??? ??? KB????? ??? ?? ??? ???? ???? ???????? ????? ??? ???? ??? ???? ??.
????? ???? 17??? ?? ??? ??? ???. ???? ?? 1.85%? ??? ???? 1.0~1.1%? ??? ??? ??? ??? ?????? ????? ????. ?? ????? ????(??)? ??? 1.75% ??? ?? ? ??? ??? ??. ????????? ??? ???? ???? ??? ?? ? ??? ?? ??. ?????? ??? ??? ??? ????? ?? ???? ??? ???? ?? ?????? ???? ??.
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