
PRACTICE ON CONSTRUCTION VENTILATION IN ENTRANCE SECTION OF PARALLEL HEADING AT NO. Ⅱ LINE OF QINLING TUNNEL
LIU Kainian
Journal of Railway Engineering Society ›› 1998, Vol. 15 ›› Issue (3) : 60-66.
PRACTICE ON CONSTRUCTION VENTILATION IN ENTRANCE SECTION OF PARALLEL HEADING AT NO. Ⅱ LINE OF QINLING TUNNEL
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