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νð ¾ ̵ Բ õ õ ȭ ķ ߴ. ̵ ϰ Կ ϰ ִ.[=ν] |
νô 22 ' ' ¾ νû Ͼ 15 Բ õ õ ȭ ķ ߴ.
̳ ̵ Բ ȯ 20 2 õ 1.5 (νû~뿪) ⸦ ϰ õ ߴ.
ڴ "̹ ķ ̵ õ ߿伺 ִ ȸ ƴ" "ε ֹε鿡 õ ȯ ֵ ڴ" ߴ.
' ' UN η 氢 1992 ϰ ִ ̴. ‘ϼ, ʴ ̰(Groundwater making the invisible visible)’ ̴.
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