10 Ҽۿ WR ̽簡 25000 ϴ ߴٰ е 11 ߴ. ̱ ȯ 糭 ظ ϴ 'ݵ' ִ Ը ̴.
繫ο ȯû(EPA) ̳ W.R.̽ Ը 25000 ϱ ߴٰ .
ߴ 2000 Ž ö. WR̽ ȭй ϴ ȭоüμ, ³ α Ը 꿡 1963 1990 äߴ.
ƮƮ ư 뵿 ϴ ֹ õ ħ ƴٴ ǹ ̰ ڰ Դ.
ƮƮ ó īο ٴ÷ ̷ ִ. ջ ȣ ᱹ α ̾.
ᱹ ֹ õ ̽縦 2000 Ҽ Ҽ۰ ž ǰῡ ̽ ̵ 2001 Ļ ȣ û ´.
ȯû ̽翡 α ֺ ȭϰ ظ ϴµ Ϻ å 2001 ߰ ̷ Ǹ ̲´.
̽ ̹ ǿ Ļ꺸ȣ 㰡ϴ 30 ȿ ž Ѵ.
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