Double-layer steel-concrete combined lining shield tunnel suitable for crossing geological fault and construction method of double-layer steel-concrete combined lining shield tunnel
The invention discloses a double-layer steel-concrete combined lining shield tunnel suitable for crossing a geological fault and a construction method of the double-layer steel-concrete combined lining shield tunnel. The double-layer steel-concrete combined lining shield tunnel suitable for crossing...
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Format: | Patent |
Sprache: | chi ; eng |
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