๊ฐ€๊ฒฉ์ด ๊ฑฐ์˜ 2๋ฐฐ์ฐจ์ด๋‚˜๋˜๋ฐ ํžˆ์—”์ด ๋” ์ข‹์€์ ์ด ๋ญ”๊ฐ€์šฉ? ๋‹คํ•œ์ฆ ๋•œ์— ํžˆ์—” ๋ฏธ๋“œ๋ž‘ m450์ด๋ž‘ ๊ณ ๋ฏผ์ค‘์ด์—์š”