With Woowon's strength and technology to change the landscape
1 Total length L = 14KM Total ...
1. Total length L = 2.081KM ...
1. Tunnel : 170m 2 Arch wide t...
Section, tunnel 112 stops, mai...
Main tunnel, 1 station, 2 vert...
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Vertical hole and tunnel const...
Earthwork and structural work ...
Earthworks and reinforced conc...
Earthwork Structure Tunnel Con...
earthwork structure constructi...
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