PDF(402 KB)
SURFACE DRILLING CURTAIN GROUTING LEAKAGE STOP?PAGE TECHNOLOGY IN OPERATIONAL TUNNEL
Liu Jihong
Journal of Railway Engineering Society ›› 1997, Vol. 14 ›› Issue (3) : 154-159.
PDF(402 KB)
PDF(402 KB)
SURFACE DRILLING CURTAIN GROUTING LEAKAGE STOP?PAGE TECHNOLOGY IN OPERATIONAL TUNNEL
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