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̼ұ 泲 ҵ桤ſ ڿڸ 0.5%~3.5% åڱ , ̹ ġ 糭 ط 鸰 ֹε鿡 ȸ ȸ ϱ ̴.
Ը ƴ. ڿ 1δ ڱ üڱ ְ ѵ 2õ 3õ ȮǾ, ѵ 1õ2鸸 1õ8鸸 Ǿ.
̸ ̼ұ 泲 ακ Ưѵ 10 ߰ ڱ Ȳ ϰ ִ.
ö ǥ̻ 糭 迡 ֹε鿡 ϴ 츮 å ܼ ڱ Ѿ, ȸ ٽ Ͼ ֵ ǰڴ١ . ̾ ε Ȳ Ȯ ̶͡ ٿ.
̹ åڱ Ȯ õȡƻ 糭 ֹε鿡 ν, ȸ ڸ ÿ ũ ȴ. Ư ڿڻ ƴ϶ ٷڱ ν , ȸ ĥ ̴.
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õ ֿ䴺
α
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