๋‚ด์ผ ์ผ๋ด‰ ์‹œ๊ฐ€๋กœ 18์ค‘๋ฐ˜๋Œ€๊นŒ์ง€๋‚ด๋ ค์˜ค๊ณ 

๋‹ค์‹œ 19.2~19.3 ๊ณ„๋‹จ์‹ ๊พธ๋“์ด ์ƒ์Šน๋ฌด๋น™ ๊ฐˆ๋“ฏ