Keyword [Mining excavation of shallow tunnels] Result: 1 - 2 | Page: 1 of 1 1.  Study On Mechanism Of Stratum Displacement Caused By Shallow Tunnels With Large-span Constructed In Intensely Weathered Granite With Abundant Water 2.  Study On Construction Technique Of Metro Station Driven With Enlarging The Existing Shallow Air Defense Tunnels   <<First  <Prev  Next>  Last>>  Jump to

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