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Robot and method for laying and recovering ground node type geophone
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
Offshore treatment equipment for offshore drilling waste
Hoisting system for nondestructive disassembly of TBM (Tunnel Boring Machine)
Hydraulic support transshipment platform and hydraulic support transshipment method thereof
Anti-dislocation structure of tunnel crossing active fault
Sinking escape self-rescue device and self-rescue method for seabed mine car in walking process
Production Dynamic Method to Determine the Critical Production of Bottom Water Reservoir