??????? 29? ?? ?? ?? ??? ???? ???? ??? ???? ????? ??? ??? ???? TT? 3?? ?? ‘? ? ??? TT’? ????? ?? ???? ??? ????.
??? ??? LED ?????, ???? ? ??? ???? ? ?? ???? ?? ??? ‘? ? ??? TT‘? ??? ???? ??? ??? ??? TTS? 3? ???? ??? ??? ?? 5750? ?, 6050? ?, 7890? ???.
??? ???? ?? hoon149@donga.com
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