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공지사항

| 2015/09/15 16:58
[ϰ] 30 ̸ Ʊ⿡ Ľ ȵſ~

⿡ ѵι ̻ . 1~2m ü̳ ݴ Ѵ. Ư ȣ ϸ մ ̻ȭźҴ 10~20m ۿ . ߿ ̻ȭźҰ 0.03~0.04% ̸ ̻ȭź 󵵰 4~5% ö󰣴.

̶ 0.01% ̻ȭźҸ ϰ ̴ ˼(ƷԼ) ִ.

(ϻ)

URL http://news.mk.co.kr/newsRead.php?year=2015&no=758684