ٰ Ѵ.
2000 Ѵ ߱ ż Դ Ŀ Ͽ ɸ Ÿ. ٰ Ѵ.
ֱ ϱ ߱ ߺ 4~5質 ˷ ִ.
̹ ȣ ϿƮϸ (Min Zhang) ڻ ǥϸ Ե ߱ ߺ ִٰ ߴ.
߱ ο ϴ 20~87 ȯ 1,009 Ľ 縦 ߴ.
Ϸ 10g ̻ ż ʴ Ͽ ɸ 2/3 , Ϸ 4g ̻ ʴ ϴ Ÿ.
鼭 ʴ Ͽ ɸ 11~18% Ұߴٰ Ѵ.
̷ Դ ؼ Ȯϰ ߴ.
̿ 迡 ȿ, 鿪ý ڱ 鿪 ִ Ǿ, Ե ȭ 迡 Ͽ ȿ ִ.
̹ ֽȣ Ǿ.
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