Small-diameter vertical shafts constructed in the shallow space of steep mountainous areas - ScienceDirect
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Small-diameter vertical shafts constructed in the shallow space of
Chapter 5 Scottish mineral Geological Conservation Review sites
Study on the pipe friction resistance in long-distance rock pipe
Deformation and failure mechanism of surrounding rock mass in a
Small-diameter vertical shafts constructed in the shallow space of
Small-diameter vertical shafts constructed in the shallow space of
Deformation and failure mechanism of surrounding rock mass in a
Small-diameter vertical shafts constructed in the shallow space of
Small-diameter vertical shafts constructed in the shallow space of
Vertical shaft submersible pump
Reaching New Depths — TBM: Tunnel Business Magazine
