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赿 ǿ ũȦ پ TBM(Tunnel Boring Machine)ټ ũĿ Ŀ带 ȸ Ϲ мϿ ϴ ΰġ ÷ ִ ȸ ͳ ̿ ƴ ƴ(New Austrian Tunnelling Method; NATM Ϲݿ ȭ ߽ Ϲ մ ) 縦 ħϰ ƴ ߴ.
̾, ð 븮 å Ȧ߰, ߾ӻȸ ߴٰ ߴٸ ħ å ð翡 иϴ١ ߴ.
̿ ö ð å ִ ͵ ħϺκ Ư ҷ 鵵 ħ ε ִ١ 亯ߴ.
ǿ ߴٸ ع å ϴ 翬ѵ ܼ θ ߴ١, 13 Ǵµ ȸ ð翡 䱸ؾ Ѵ١ ߴ.
, GTX簡 ټ ε, 簡 ʾƾ Ѵٴ Ȯ ؾ ϰ, ظ ּȭϱ ϰ ־ Ѵ١ ߴ.
ǿ ֱ 3Ⱓ ö Ͽ ° ſθ ö å ʹ ƴ ʹ١, ÷ ڸ â η ġϴ ȵ ̶͡ ߴ.
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