[δ25 = ϱ] ڷγ19 ձ ް ִ 꼼 ߰ δ پ ƴ.
õô 漼 꼼 Ѵٰ .
ռ, 嵵 Ǵ ġü ʳ ȸ ǰ 漼 ֵ ϴ 漼Ưѹ Ϻΰ 5 21 ȸ ǰ ִ.
ƮŬ, īٷ, 100 ʰ ǿ شϴ μ Ϲ 꼼( 0.2%, 0.25%) 16~20迡 ̸ ߰(4%) ȴ.
̹ 6 ȸ ǰ ƴ ߰ κ Ϲݰ ȯ ް ִ ̴.
漼 꼼 ִ ǹ ֿ ΰ, δ ߰ ְ δϰ ִ ̴.
߰ κ Ϲݰ ȯǸ 7 9 ΰǴ 꼼 ް ŭ ֵ δ㵵 پ ȴ. ô 380 ߰ 꼼 Ը 35 ϰ ִ.
ٸ, ϰ ҹ Ҵ ܵȴ.
, ڷγ19 һ ϰ Ӵ Ͽ 꼼 û ް ִ. ̿ Բ ڿ 漼 ѿ, ¡, üó , ٰ ǽϰ ִ.
ּ : õ 708=5 2
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