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Ballast Flying DEM Microscopic Analysis and Counteracting Measures
Touring car wall-hung cupboard door and aluminum section bar
METHOD FOR CARRYING OBJECTS BY GIRDER CRANE LIFTING DEVICE ARRANGED IN LIGHT WELL
Auto-leveling drive axle device for wheeled tractor, and leveling method
Double-loop control system with single hydraulic motor
Risk-prevention-and-control-oriented toll station ETC barrier gate delayed opening control method
Floating type blue-green algae separation ship and use method
Underground continuous wall reinforcement cage hoisting method in height-limited area
Car door locking mechanism, car door and railway thermal insulation car
Multi-cylinder combined driving method for jacking and putting down pile frame of pile driving barge