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Two-gear variable-speed electric bridge driving system
Offshore oil field in-place operation ship selection method and device
Highway service area grading intelligent parking guiding method, system, equipment and medium
Future intelligent road regulation and control method, device, equipment and medium
Fabricated truss marine ranch foundation and mounting method thereof
Nitrogen-doped graphene assists Fe2O3 in enhancing electrochemical performance
Ocean structure deck sheet steel rapid assembling and leveling device
One-street-one-strategy road intelligent parking method, device, equipment and medium
Mileage pile arrangement method for monitoring traffic state of basic road section of expressway