
EXISTING STATE OF RAPID TUNNELLING AT EXIT SECTION OF PARALLEL DRIFT ON No- I LINE OF QINLING TUNNEL
Li Duo
Journal of Railway Engineering Society ›› 1996, Vol. 13 ›› Issue (3) : 87-95.
EXISTING STATE OF RAPID TUNNELLING AT EXIT SECTION OF PARALLEL DRIFT ON No- I LINE OF QINLING TUNNEL
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