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Sinking escape self-rescue device and self-rescue method for seabed mine car in walking process
Robot and method for laying and recovering ground node type geophone
Offshore treatment equipment for offshore drilling waste
Modularized rescue drilling machine suitable for mines or tunnels with various section sizes
Intake-exhaust transport apparatus mobile power generation system and assembling method thereof
Hydraulic support transshipment platform and hydraulic support transshipment method thereof
Hoisting system for nondestructive disassembly of TBM (Tunnel Boring Machine)
Anti-dislocation structure of tunnel crossing active fault