[̵ Ӽ ]õȸ ڰ ǿ(Ҿִ, ط) ǥ 'õ ģȯ Ȱ ʾ' 'õ ۽ý ʾ' 12 19 291ȸ 2 ȸ 3 ȸǿ ǰƴ.
'õ ģȯ Ȱ ʾ' ģȯ ϰ Ȱ Ȱȭ ʿ ν ź߸ õ ȯ ϱ õƴ.
ֿ å ģȯ Ȱȭ ü , Խô ģȯ 켱 Խϰ ü ģȯ 켱 Խø ǰ ִ.
ģȯ Ȱ ʿ ϰ ģȯ ȭȮ꿡 ڿ ִ.
'õ ۽ý ʾ' ۽ý Ͽ , 糭 ż ֹ Ȱ õƴ.
ʿ 㸶۽ý 㸶۽ý 㸶۽ý Ե, ۽ý ű ġ Ǵ ȭ ü , ܸ ġ ʿ ֵ ϰ ް ϴ ڴ ȸǸ ش 顤忡 ûϵ ߴ.
ڰ ǿ ȫ θ ǰ , κ PVC(ȭ) ۵Ǿ Ұ ½ǰ Ѵ١, ι ģȯ Ͽ ϻ ź߸ Ȯ ̲ڴ١ .
Ȱ ƴ϶ 糭 Ȳ ֹ Ű ߿ ܡ̶, ü ü ϰ ùε ϰ Ȱ ֵ ϰڴ١ .
õȸ ڰ ǿ, 'õ ģȯ Ȱ ʾ' 2 ź߸ õ ù Ȱ ȭ |
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