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Tunnel sous la croix d'exploitation ingénieur porte en acier de passage. Ces passages permettent d'accéder à l'entretien et l'évacuation Photo Stock - Alamy
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Typical cross passage profile-longitudinal (left) and cross section (right) | Download Scientific Diagram
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Developing Membrane Termination Solutions to Deal with 3 Way Curvature in Cross Passages - Bluey Technologies
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Longitudinal cross section of a typical cross passage constructed by... | Download Scientific Diagram
Risk Reduction, Management, and Mitigation from Experience‑Based Learning During Construction of Cross Passages, Seattle, Wash
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